diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_double_null/avg_double_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_float_null/avg_float_nu.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int16_null/avg_int16_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int32_null/avg_int32_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int64_null/avg_int64_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql
index 8a809af..1cd811d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/avg_int8_null/avg_int8_null.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/count_null/count_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_double_null/sum_double_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_float_null/sum_float_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int16_null/sum_int16_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int32_null/sum_int32_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int64_null/sum_int64_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql
index 967727f..4a5e620 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate-sql/sum_int8_null/sum_int8_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_double_null/avg_double_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_float_null/avg_float_nu.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int16_null/avg_int16_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int32_null/avg_int32_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int64_null/avg_int64_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql
index 88dadfe..f913ea4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/avg_int8_null/avg_int8_null.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/count_null/count_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/global-avg_null/global-avg_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_double_null/local-avg_double_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_float_null/local-avg_float_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int16_null/local-avg_int16_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql
index 88dadfe..f913ea4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int32_null/local-avg_int32_null.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int64_null/local-avg_int64_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/local-avg_int8_null/local-avg_int8_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_double_null/sum_double_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_float_null/sum_float_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int16_null/sum_int16_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int32_null/sum_int32_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int64_null/sum_int64_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql
index aad670d..6c187cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_int8_null/sum_int8_null.1.ddl.aql
@@ -33,6 +33,6 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql
index 74731b3..4ce649c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/equal_join/equal_join.2.update.aql
@@ -19,9 +19,9 @@
 use dataverse test;
 
 load dataset User
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
 
 load dataset UserCopy
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql
index 74731b3..4ce649c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/index_join/index_join.2.update.aql
@@ -19,9 +19,9 @@
 use dataverse test;
 
 load dataset User
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
 
 load dataset UserCopy
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql
index 6968f8a..8a9105b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/insert/insert.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset UserOpen
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/usermd5.adm"),("format"="adm")) ;
 
 load dataset UserCopyClose
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/usermd5copy.adm"),("format"="adm")) ;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/binary/query_id/query_id.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/binary/query_id/query_id.2.update.aql
index 3254551..dfdf416 100644
--- a/asterix-app/src/test/resources/runtimets/queries/binary/query_id/query_id.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/binary/query_id/query_id.2.update.aql
@@ -20,5 +20,5 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql
index 1b655de..ba21c16 100644
--- a/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/comparison/datetime_range/datetime_range.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset TwitterData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/smalltweets.txt"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql
index 2a3b900..1045f9c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv07/cross-dv07.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset test.employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql
index f6e9247..245159a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/cross-dv19/cross-dv19.1.ddl.aql
@@ -62,6 +62,6 @@
 create dataset test2.t4(testtype) primary key id;
 
 create external dataset test1.TwitterData(Tweet)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/extrasmalltweets.txt"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql
index e15727e..40c7c4d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/insert_across_dataverses/insert_across_dataverses.2.update.aql
@@ -19,7 +19,7 @@
 //***** Test to read from a dataset and insert into another dataset when the datasets belong to different dataverses*****//
 
 load dataset test1.Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 insert into dataset test2.Customers(
diff --git a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql
index beb5aa8..264571b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/cross-dataverse/join_across_dataverses/join_across_dataverses.2.update.aql
@@ -22,11 +22,11 @@
 use dataverse test2;
 
 load dataset test1.Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),
 ("format"="adm"));
 
 load dataset test2.Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql
index 2b90824..2adc704 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_01/customer_q_01.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql
index b1f7ff9..2330708 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_02/customer_q_02.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql
index b1f7ff9..2330708 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_03/customer_q_03.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql
index b1f7ff9..2330708 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_04/customer_q_04.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql
index b1f7ff9..2330708 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_05/customer_q_05.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql
index 2b90824..2adc704 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_06/customer_q_06.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql
index e971074..ea4ee7f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_07/customer_q_07.1.ddl.aql
@@ -42,5 +42,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql
index 2b90824..2adc704 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/customer_q_08/customer_q_08.1.ddl.aql
@@ -41,5 +41,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql
index 11e988f..b5a68ea9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_01/denorm-cust-order_01.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse test;
 
 load dataset Customers1 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm")) pre-sorted;
 
 load dataset Orders1 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql
index d28679c..c38c5f3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_02/denorm-cust-order_02.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset Customers2 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
 
 load dataset Orders2 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm"));
 
 insert into dataset CustomerOrders2 (
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql
index 67da3a1..9796bb9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/denorm-cust-order_03/denorm-cust-order_03.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse test;
 
 load dataset Customers3 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm")) pre-sorted;
 
 load dataset Orders3 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql
index 0bcfe66..9929adf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/freq-clerk/freq-clerk.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset CustomerOrders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/custorder-tiny.adm"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql
index 4a36457..c29c293 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_01/join_q_01.1.ddl.aql
@@ -51,9 +51,9 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql
index 4a36457..c29c293 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_02/join_q_02.1.ddl.aql
@@ -51,9 +51,9 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql
index cd92eb2..9d0afab 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_03/join_q_03.1.ddl.aql
@@ -52,9 +52,9 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql
index ed5d5eb..90c2a6d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/join_q_04/join_q_04.1.ddl.aql
@@ -59,9 +59,9 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql
index a28685a..b658942 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/load-test/load-test.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
   
 load dataset c1 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql
index f626d0e..f9209b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_01/order_q_01.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql
index f626d0e..f9209b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_02/order_q_02.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql
index f626d0e..f9209b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_03/order_q_03.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql
index f626d0e..f9209b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_04/order_q_04.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql
index f626d0e..f9209b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_05/order_q_05.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql
index f626d0e..f9209b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/custord/order_q_06/order_q_06.1.ddl.aql
@@ -33,5 +33,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql
index 9ed4d0a..9552df3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dapd/q1/q1.1.ddl.aql
@@ -43,6 +43,6 @@
 }
 
 create external dataset User(UserType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/events/tiny/user.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql
index 3acaf2f..8fddb59 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dapd/q2/q2.1.ddl.aql
@@ -50,6 +50,6 @@
 }
 
 create external dataset Event(EventType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/events/tiny/event.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql
index 56be3ae..205bf33 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dapd/q3/q3.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset User 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/events/tiny/user.adm"),("format"="json")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
index deb5caa..e239584 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql
index b62427f..c976330 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-multi-statement/delete-multi-statement.2.update.aql
@@ -19,35 +19,35 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 delete $l from dataset LineItem;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql
index 8f9aab3..88620fc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change.aql
@@ -50,7 +50,7 @@
   primary key l_orderkey, l_linenumber;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql
index deb5caa..e239584 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/delete-syntax-change/delete-syntax-change.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql
index fd1a3c0..ac20f14 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/drop-index/drop-index.2.update.aql
@@ -27,6 +27,6 @@
 
 // Load data
 load dataset t1
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql
index 21dbdd5..76a6545 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/empty-load-with-index/empty-load-with-index.2.update.aql
@@ -26,9 +26,9 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql
index 5503eb1..bd07d34 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index-on-open-field/insert-and-scan-dataset-with-index-on-open-field.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse test;
 
 load dataset test.employeeClosed
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 insert into dataset test.employee (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
index df097a4..3de618a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse test;
 
 load dataset test.employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
index 38017c1..0246807 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse test;
 
 load dataset myData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql
index af02802..9b73676 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-and-scan-joined-datasets/insert-and-scan-joined-datasets.2.update.aql
@@ -28,11 +28,11 @@
 use dataverse test;
 
 load dataset myData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
 
 load dataset myData2 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/odd-numbers-2.adm"),("format"="adm"))pre-sorted;
 
 insert into dataset myData (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql
index 679ecc9..c2e510f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-duplicated-keys-from-query/insert-duplicated-keys-from-query.2.update.aql
@@ -19,7 +19,7 @@
 
 use dataverse recovery;
 
-load dataset Fragile_raw using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset Fragile_raw using localfs
 (("path"="asterix_nc1://data/csv/fragile_01.csv"),("format"="delimited-text"),("delimiter"=",")) pre-sorted;
 
 use dataverse recovery;
@@ -36,4 +36,4 @@
     "bpm": $t.bpm,
     "RR": $t.RR
   }
-);
\ No newline at end of file
+);
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
index e3114e9..3d291b7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineID 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
index f900366..7e944cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineID 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql
index 7edf2ec..247a170 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_01/insert-into-loaded-dataset_01.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineID 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineID (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql
index 0becda5..07c9c3e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert-into-loaded-dataset_02/insert-into-loaded-dataset_02.2.update.aql
@@ -19,15 +19,15 @@
 use dataverse test;
 
 load dataset onektup 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset tenktup1 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/wisc/tenktup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset tmp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/wisc/empty.adm"),("format"="adm")) pre-sorted;
 
 insert into dataset tmp(
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql
index 5d65426..8250081 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert/insert.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineID 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql
index fa1b3a1..86caa69 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/insert_less_nc/insert_less_nc.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineID 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineID (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql
index 857b50d..2d271fb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-autogenerated-pk_txt_01/load-with-autogenerated-pk_txt_01.2.update.aql
@@ -18,5 +18,5 @@
  */
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id-autogenerated-pk.txt"),("format"="delimited-text"),("delimiter"=":"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql
index 78ba7bc..90dfe43 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index-open/load-with-index-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset test.LineItemOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-index/load-with-index.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql
index 23753eb..dc03eaf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index-open/load-with-ngram-index-open.2.update.aql
@@ -18,7 +18,7 @@
  */
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
index 80878aa..73b3a94 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
@@ -18,5 +18,5 @@
  */
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql
index 930d3a9..737c0d8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index-open/load-with-rtree-index-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset test.MyDataOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
index f7123f7..2314790 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql
index 23753eb..dc03eaf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index-open/load-with-word-index-open.2.update.aql
@@ -18,7 +18,7 @@
  */
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql
index c2e0770..483eab3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/load-with-word-index/load-with-word-index.2.update.aql
@@ -18,7 +18,7 @@
  */
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql
index db0ced0..38a90f1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue288/query-issue288.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset LineID 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem_0.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql
index 86ba9fd..d901204 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/query-issue382/query-issue382.2.update.aql
@@ -18,7 +18,7 @@
  */
 use dataverse SocialNetworkData;
 
-load dataset FacebookUsers using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset FacebookUsers using localfs
 (("path"="asterix_nc1://data/fbu-dml-insert-shuffled.adm"),("format"="adm"));
 
 insert into dataset HandbookUsers (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
index 08762bc..5fec7a1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql
index 75b0853..53f74d3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-btree-secondary-index-open/scan-delete-btree-secondary-index-open.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 insert into dataset test.CustomersOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
index 9e8cb49..79cbca7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql
index 6c509e5..2440a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index-open/scan-delete-inverted-index-ngram-secondary-index-open.2.update.aql
@@ -25,7 +25,7 @@
 
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
index 898b149..6007290 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
index 5fcba25..c91c5d8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -25,6 +25,6 @@
 
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql
index f060dbc..9c610f2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index-open/scan-delete-inverted-index-word-secondary-index-open.2.update.aql
@@ -25,7 +25,7 @@
 
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
index a4d2df7..63ed1eb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
index d87d7d4..b1592a5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql
index 1b08b9a..0498910 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index-open/scan-delete-rtree-secondary-index-open.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset test.MyDataOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
index f7123f7..2314790 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
index 2a1e102..91c29a9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql
index f82fa08..d3ee132 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-btree-secondary-index-open/scan-insert-btree-secondary-index-open.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
index 5f60f94..df4447d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql
index 4f7d5f0..28b6523 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index-open/scan-insert-inverted-index-ngram-secondary-index-open.2.update.aql
@@ -25,5 +25,5 @@
 
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
index 753bc61..1f8543d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
index 268ab54..7d82476 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql
index 5b4f4ee..423b39f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index-open/scan-insert-inverted-index-word-secondary-index-open.2.update.aql
@@ -25,5 +25,5 @@
 
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
index d4255a9..b52e3e6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
@@ -25,6 +25,6 @@
  
 use dataverse test;
 
-load dataset DBLP using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLP using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
index 4e3981c..afe659a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql
index a9b3750..25f4356 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index-open/scan-insert-rtree-secondary-index-open.2.update.aql
@@ -26,5 +26,5 @@
  use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
index b13bab9..a26127f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-constant-merge-policy/using-constant-merge-policy.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-correlated-prefix-merge-policy/using-correlated-prefix-merge-policy.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-no-merge-policy/using-no-merge-policy.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
index 932ccff..7884380 100644
--- a/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/dml/using-prefix-merge-policy/using-prefix-merge-policy.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql
index b628a67..fa12918 100644
--- a/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/employee/q_01/q_01.1.ddl.aql
@@ -36,6 +36,6 @@
 }
 
 create external dataset Emp(EmpType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/employee.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql
index 46d4ac4..428f61e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/employee/q_02/q_02.1.ddl.aql
@@ -36,5 +36,5 @@
 }
 
 create external dataset Emp(EmpType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/employee.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql
index 3de299b..b590c8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/failure/q01_pricing_summary_report_failure/q01_pricing_summary_report_failure.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql
index b8c0d6f..6bdaf5d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at00/at00.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql
index d14c0d5..69f9aa6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at04/at04.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse test;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders-part1.tbl,asterix_nc2://data/tpch0.001/orders-part2.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql
index d14c0d5..69f9aa6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at05/at05.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse test;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders-part1.tbl,asterix_nc2://data/tpch0.001/orders-part2.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql
index b8c0d6f..6bdaf5d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/flwor/at06/at06.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_1/dblp-1_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1.1/dblp-1_2.1.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2.1/dblp-1_2.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-1_2/dblp-1_2.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.1_5.3.1/dblp-2.1_5.3.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql
index 25104da..c5b85ca 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2.2/dblp-2.2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset TOKENSRANKEDADM 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/tokensranked.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_1/dblp-2_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_2/dblp-2_2.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_3/dblp-2_3.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_4/dblp-2_4.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql
index f47e499..1dc2a01 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.1/dblp-2_5.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.2/dblp-2_5.2.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3.1/dblp-2_5.3.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5.3/dblp-2_5.3.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-2_5/dblp-2_5.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.1/dblp-3_1.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1.2/dblp-3_1.2.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-3_1/dblp-3_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql
index d4e6780..e586ec3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_1/dblp-aqlplus_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql
index 123c02b..1e55ea1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-aqlplus_2/dblp-aqlplus_2.2.update.aql
@@ -28,6 +28,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_1/dblp-csx-2_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_2/dblp-csx-2_2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_3/dblp-csx-2_3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_4/dblp-csx-2_4.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.1/dblp-csx-2_5.1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.2/dblp-csx-2_5.2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3.1/dblp-csx-2_5.3.1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5.3/dblp-csx-2_5.3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-2_5/dblp-csx-2_5.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_1/dblp-csx-3_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_2/dblp-csx-3_2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_3/dblp-csx-3_3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_4/dblp-csx-3_4.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.1/dblp-csx-3_5.1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.2/dblp-csx-3_5.2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3.1/dblp-csx-3_5.3.1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.3/dblp-csx-3_5.3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql
index ed9893f..5c193dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4.1/dblp-csx-3_5.4.1.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql
index ed9893f..5c193dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5.4/dblp-csx-3_5.4.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-3_5/dblp-csx-3_5.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_1/dblp-csx-aqlplus_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_2/dblp-csx-aqlplus_2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-aqlplus_3/dblp-csx-aqlplus_3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql
index e299417..fc2fb4b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-csx-dblp-aqlplus_1/dblp-csx-dblp-aqlplus_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql
index 321e184..47f620d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-lookup_1/dblp-lookup_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql
index a9856f9..fd843ba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.1.ddl.aql
@@ -31,6 +31,6 @@
 }
 
 create external dataset DBLP(DBLPType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql
index 4082fa1..793be3d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/dblp-splits-3_1/dblp-splits-3_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 create external dataset DBLP(DBLPType) 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql
index 1e1b54b..07e10a7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/events-users-aqlplus_1/events-users-aqlplus_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset User
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/events/tiny/user.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql
index fbc508f..982c24b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/opentype/opentype.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql
index 770372c..06b3db4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_1/user-int-aqlplus_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql
index 770372c..06b3db4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_2/user-int-aqlplus_2.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql
index 2e0fef2..3a7853a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-int-aqlplus_3/user-int-aqlplus_3.2.update.aql
@@ -21,6 +21,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql
index 770372c..06b3db4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1.1/user-lot-aqlplus_1.1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql
index 770372c..06b3db4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_1/user-lot-aqlplus_1.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql
index 770372c..06b3db4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_2/user-lot-aqlplus_2.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql
index 770372c..06b3db4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-lot-aqlplus_3/user-lot-aqlplus_3.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-3_1/user-vis-int-3_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_1/user-vis-int-aqlplus_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_2/user-vis-int-aqlplus_2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-aqlplus_3/user-vis-int-aqlplus_3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-int-vis-user-lot-aqlplus_1/user-vis-int-vis-user-lot-aqlplus_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-3_1/user-vis-lot-3_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_1/user-vis-lot-aqlplus_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_2/user-vis-lot-aqlplus_2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_3/user-vis-lot-aqlplus_3.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_4/user-vis-lot-aqlplus_4.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-aqlplus_5/user-vis-lot-aqlplus_5.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_1/user-vis-lot-int-aqlplus_1.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql
index d6fc6aa..2157a95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/fuzzyjoin/user-vis-lot-int-aqlplus_2/user-vis-lot-int-aqlplus_2.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql
index 4251ce2..71817ba 100644
--- a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5/issue_251_dataset_hint_5.2.update.aql
@@ -28,6 +28,6 @@
 use dataverse test;
 
 load dataset DBLPadm 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/dblp-small/part-00000.adm,asterix_nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql
index ac415da..b043e48 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-index-nested-loop-join/btree-index-nested-loop-join.2.update.aql
@@ -23,13 +23,13 @@
  use dataverse test;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/index-join/tw_messages.adm"),("format"="adm"));
 
 load dataset TwitterUsers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/index-join/tw_users.adm"),("format"="adm"));
 
 load dataset results
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/index-join/results.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
index 8cb1c45..7e9c322 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql
index 9e0da1d..859fc9b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_01/btree-secondary-equi-join_01.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql
index e32a73a..bb3f4cc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_02/btree-secondary-equi-join_02.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql
index e3a5f68..0002bdf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-equi-join_03/btree-secondary-equi-join_03.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-self-equi-join_01/btree-secondary-self-equi-join_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-self-equi-join_01/btree-secondary-self-equi-join_01.2.update.aql
index e069b25..aebfccb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-self-equi-join_01/btree-secondary-self-equi-join_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/btree-secondary-self-equi-join_01/btree-secondary-self-equi-join_01.2.update.aql
@@ -27,5 +27,5 @@
 use dataverse test;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index 8ed1ae2..6f43a5b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset MyData1
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-self-intersect-point/rtree-spatial-self-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-self-intersect-point/rtree-spatial-self-intersect-point.2.update.aql
index a752589..5d13f09 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-self-intersect-point/rtree-spatial-self-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-join/rtree-spatial-self-intersect-point/rtree-spatial-self-intersect-point.2.update.aql
@@ -27,5 +27,5 @@
 use dataverse test;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index 1e33ed7..36deb61 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset TweetMessages 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index 1e33ed7..36deb61 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset TweetMessages 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
index 1e33ed7..36deb61 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset TweetMessages 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 1e33ed7..36deb61 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset TweetMessages 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index a7f3b45..e748af5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset TweetMessages 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index a7f3b45..e748af5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse test;
 
 load dataset TweetMessages 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index bc16b97..74d65db 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -29,5 +29,5 @@
 use dataverse test;
 
 load dataset employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index 6dce09f..f1e8385 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -28,6 +28,6 @@
 use dataverse test;
 
 load dataset employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-01/btree-index-limit-orderby-01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-01/btree-index-limit-orderby-01.2.update.aql
index e1ab937..3432906 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-01/btree-index-limit-orderby-01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-01/btree-index-limit-orderby-01.2.update.aql
@@ -26,6 +26,6 @@
  use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData2.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-02/btree-index-limit-orderby-02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-02/btree-index-limit-orderby-02.2.update.aql
index 07eb916..176ec8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-02/btree-index-limit-orderby-02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-limit-orderby-02/btree-index-limit-orderby-02.2.update.aql
@@ -26,6 +26,6 @@
  use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData2.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index 10ff436..2127ee7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -27,6 +27,6 @@
 use dataverse tpch;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
index c909dfc..f217c98 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index 7dbca1d..88653a2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
index a2de619..4731119 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
index a2de619..4731119 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
index a2de619..4731119 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
index 0868957..26bc709 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
index d021dd8..0fb08b5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index d021dd8..0fb08b5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
index 16a3b17..91d3d63 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 16a3b17..91d3d63 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql
index 585278d..c124ecb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search-open/range-search-open.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql
index 585278d..c124ecb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/range-search/range-search.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql
index bf738cd..825fdd7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-circular-query/rtree-secondary-index-circular-query.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
index 5814294..e48e8a9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
index bf738cd..825fdd7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index bf738cd..825fdd7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql
index 99a9245..b64ac4a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/index-selection/verify/index-verify.2.update.aql
@@ -23,9 +23,9 @@
  use dataverse test;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/index-join/tw_messages.adm"),("format"="adm"));
 
 load dataset FacebookMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/fbm-with-send-time.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index c2e2b2f..24b9cb6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql
index f772b1f..6ebe388 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index e1fb560..34fc840 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql
index 6a1a855..ede2325 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
index 45cba45..acb1228 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql
index f1854f6..1a2319d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-edit-distance/olist-edit-distance.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
index e041961..198d534 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql
index 43b2094..a67354e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/olist-jaccard/olist-jaccard.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
index e690cfa..2cf6219 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql
index a3c939a..053f655 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/ulist-jaccard/ulist-jaccard.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql
index 8c5688c..98dc6fa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -27,10 +27,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql
index b89f7d0..07cbd22 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join-noeqjoin/word-jaccard/word-jaccard.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index b8bf50d..d71640e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index 48383dd..1bfc87d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -25,10 +25,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index 88db295..2a241d9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index bd95e8e..1de9295 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -25,10 +25,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
index 590f3ca..bdc8dd5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance-inline/olist-edit-distance-inline.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql
index c92f79e..0c1ede4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-edit-distance/olist-edit-distance.2.update.aql
@@ -25,10 +25,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
index ac633d3..1bf2e7a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard-inline/olist-jaccard-inline.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql
index 67f9b31..470acbf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/olist-jaccard/olist-jaccard.2.update.aql
@@ -25,10 +25,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
index 4a7aaa3..883df5d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard-inline/ulist-jaccard-inline.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql
index 9115a1f..99aaf1b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/ulist-jaccard/ulist-jaccard.2.update.aql
@@ -25,10 +25,10 @@
 use dataverse test;
 
 load dataset Customers 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index 9da5ffb..c8219d4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql
index 032bd57..6d14b24 100644
--- a/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/inverted-index-join/word-jaccard/word-jaccard.2.update.aql
@@ -25,10 +25,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql
index 85dd792..fff65d2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285-2/query_issue285-2.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql
index 85dd792..fff65d2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue285/query_issue285.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql
index 45f62b6..efb9c74 100644
--- a/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/leftouterjoin/query_issue658/query_issue658.2.update.aql
@@ -24,10 +24,10 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql
index 0d95ec5..4c2f6b5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/adm_binary/adm_binary.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/adm-load/binary_type.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql
index bb5ebaa..ff44188 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_01/csv_01.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_01.csv"),("format"="delimited-text"),("delimiter"=","));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql
index bb5ebaa..ff44188 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_02/csv_02.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_01.csv"),("format"="delimited-text"),("delimiter"=","));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql
index cbbb99c..8e8f119 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_03/csv_03.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_02.csv"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql
index 964d06a..4bfeebf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_04/csv_04.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_03.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql
index 2b8f6b1..cc4ac97 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_05/csv_05.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_04_quote_error.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql
index ec5a8f0..bb0a689 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_06/csv_06.2.update.aql
@@ -27,5 +27,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_05_space_error_1.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql
index a2c2d64..4521c8e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_07/csv_07.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_06_space_error_2.csv"),("format"="delimited-text"),("delimiter"=","),("quote"="\""));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql
index b17750a..b986243 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_cr/csv_08.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_08_header.csv.cr"),("format"="delimited-text"),("header"="true"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql
index fb46c08..8ed6e5a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_crlf/csv_08.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_08_header.csv.crlf"),("format"="delimited-text"),("header"="true"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql
index 36a5cca..02b93c7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/csv_08_header_lf/csv_08.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse temp;
 
 load dataset testds
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/csv/sample_08_header.csv.lf"),("format"="delimited-text"),("header"="true"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql
index a1b3add..09b1001 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue289_query/issue289_query.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse test;
 
 load dataset Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/custord-tiny/customer-tiny-neg.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql
index 0768ce3..4bf152f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/load/issue650_query/issue650_query.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse fuzzyjoin;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql
index b5a27d9..c564065 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/flushtest/flushtest.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse DMLTest;
 
 load dataset FacebookUsers1
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/fbu.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql
index 1035a3b..3aaa5cc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/groupby-orderby-count/groupby-orderby-count.1.ddl.aql
@@ -30,5 +30,5 @@
 }
 
 create external dataset TwitterData(Tweet)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/extrasmalltweets.txt"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql
index c73a471..e095ac8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/nested-loop-join_01/nested-loop-join_01.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse test;
 
 load dataset Users 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/users-visitors-small/users.json"),("format"="adm"));
 
 load dataset Visitors 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/users-visitors-small/visitors.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql
index 9f7838c..06a88dc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/prefix-search/prefix-search.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql
index e3c6f93..db8e2c4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/stable_sort/stable_sort.2.update.aql
@@ -25,5 +25,5 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
index 0e3a03b..87422be 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/compact-dataset-and-its-indexes/compact-dataset-and-its-indexes.2.update.aql
@@ -20,7 +20,7 @@
 
 
 load dataset LineItemtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
index c0656b8..77c28b9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
@@ -20,6 +20,6 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql
index 992b5a8..210b813 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/delete-syntax-change.aql
@@ -50,7 +50,7 @@
   primary key l_orderkey, l_linenumber;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql
index 5049050..5d4941f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/drop-index/drop-index.2.update.aql
@@ -27,7 +27,7 @@
 
 // Load data
 load dataset t1tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset t1
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
index a51b546..5fad3f3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_01/insert-into-loaded-dataset-with-index_01.2.update.aql
@@ -20,7 +20,7 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
index a51b546..5fad3f3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/insert-into-loaded-dataset-with-index_02/insert-into-loaded-dataset-with-index_02.2.update.aql
@@ -20,7 +20,7 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql
index 26c7b68..af0d68a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-index/load-with-index.2.update.aql
@@ -20,7 +20,7 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
index a243bff..b2f7830 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-ngram-index/load-with-ngram-index.2.update.aql
@@ -20,6 +20,6 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
index 26c7b68..af0d68a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-rtree-index/load-with-rtree-index.2.update.aql
@@ -20,7 +20,7 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql
index a243bff..b2f7830 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/load-with-word-index/load-with-word-index.2.update.aql
@@ -20,6 +20,6 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql
index c7e00a7..4f5614a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/nested-uuid-load/nested-uuid-load.2.update.aql
@@ -19,5 +19,5 @@
 
 use dataverse twitter;
 
-load dataset TweetMessages using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"))
+load dataset TweetMessages using localfs(("path"="asterix_nc1://data/tinysocial/twm-nested.adm"),("format"="adm"))
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
index 7753f4e..42ad8bf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-btree-secondary-index-nullable/scan-delete-btree-secondary-index-nullable.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
index 2421297..9f465aa 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index-nullable/scan-delete-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
index 5e63023..a26b415 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-ngram-secondary-index/scan-delete-inverted-index-ngram-secondary-index.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
index 3be3df3..8407e88 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index-nullable/scan-delete-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
index 9fa4e4e..8a1e3a3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-inverted-index-word-secondary-index/scan-delete-inverted-index-word-secondary-index.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
index a99038e..3d8bc99 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index-nullable/scan-delete-rtree-secondary-index-nullable.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
index 28dc184..b86ccf5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
@@ -20,7 +20,7 @@
 
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
index e1f8a65..871b177 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-btree-secondary-index-nullable/scan-insert-btree-secondary-index-nullable.2.update.aql
@@ -28,6 +28,6 @@
 
 load dataset Customerstmp
 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
index d3a4189..fb3feb7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index-nullable/scan-insert-inverted-index-ngram-secondary-index-nullable.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
index 37c28d0..36ab2eb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-ngram-secondary-index/scan-insert-inverted-index-ngram-secondary-index.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
index 085564c..1fe2101 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index-nullable/scan-insert-inverted-index-word-secondary-index-nullable.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 
 (("path"="asterix_nc1://data/dblp-small/dblp-small-nulls.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
index 9d501cd..3db1ca0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-inverted-index-word-secondary-index/scan-insert-inverted-index-word-secondary-index.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 
-load dataset DBLPtmp using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+load dataset DBLPtmp using localfs
 
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
index d675b56..c869203 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index-nullable/scan-insert-rtree-secondary-index-nullable.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
index 3d4b125..f6205ff 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index-dml/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
@@ -20,11 +20,11 @@
 
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
index c2d125c..2d5f6e0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-primary-equi-join/btree-primary-equi-join.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/customerData.json"),("format"="adm"));
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/orderData.json"),("format"="adm"));
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
index 3d2423a..32c216a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index dff3d72..fc980cc 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index 7f1819d..ae746fd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index f165cd9..24fb996 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index 0ac13bc..40dc555 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index 48eab2f..aba44cd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset MyData1tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData1
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index d2d1ee8..69887cb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql
index 98f1609..16f76d3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-join/word-jaccard/word-jaccard.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index 05ecc58..81075b7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index 05ecc58..81075b7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
index 05ecc58..81075b7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx1/probe-pidx-with-join-invidx-sidx1.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 05ecc58..81075b7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index 17ce340..0223406 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index 17ce340..0223406 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index e1f4068..683a097 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -29,7 +29,7 @@
 use dataverse test;
 
 load dataset employeeTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index db5b0ef..029665f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -28,7 +28,7 @@
 use dataverse test;
 
 load dataset employeeTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index e3e55b0..870d66b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
index acb6404..18fa90a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/cust-index-age-nullable/cust-index-age-nullable.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index f85f8ce..0702ddf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index 2083f11..0619e49 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index f85f8ce..0702ddf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index 2083f11..0619e49 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index f85f8ce..0702ddf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index f85f8ce..0702ddf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
index 34aa94b..f0cc156 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance-panic/inverted-index-olist-edit-distance-panic.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
index 34aa94b..f0cc156 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-edit-distance/inverted-index-olist-edit-distance.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
index 34aa94b..f0cc156 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-olist-jaccard/inverted-index-olist-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
index f9cb6c5..b54308d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-ulist-jaccard/inverted-index-ulist-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index 3e2aa1b..bfe2cfb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index 3e2aa1b..bfe2cfb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
index 03a0b2a..6d5ccc6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive-open/orders-index-custkey-conjunctive-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 03a0b2a..6d5ccc6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
index 03a0b2a..6d5ccc6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey-open/orders-index-custkey-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 03a0b2a..6d5ccc6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql
index 1d17180..b0cfbe6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search-open/range-search-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItemtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql
index 1d17180..b0cfbe6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/range-search/range-search.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItemtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
index 43a878f..eb97eda 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-nullable/rtree-secondary-index-nullable.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialDataNulls.json"),("format"="adm"));
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
index cea37bf..7a2c717 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index-open/rtree-secondary-index-open.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index cea37bf..7a2c717 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
index e6d1a49..f0afd00 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index 136eba0..756de89 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index e0b4438..3cf549b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index 340bcdd..a5cd372 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index 753cc2f..219f80f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index 6b456c5..bdb0c54 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset MyData1tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData1
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index 44cd670..f9c354d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql
index 9b46329..abeabfd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-join/word-jaccard/word-jaccard.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 load dataset CSXtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index a0ffb73..6f9deaf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index a0ffb73..6f9deaf 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index 5a71e64..d355283 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index 0a6b314..6b7bf44 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index 0a6b314..6b7bf44 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index f4174bd..6b4077e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -29,7 +29,7 @@
 use dataverse test;
 
 load dataset employeeTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index db5b0ef..029665f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -28,7 +28,7 @@
 use dataverse test;
 
 load dataset employeeTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index 516af65..3aa3804 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index f4893d1..c762398 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index c2524c8..953a027 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index 5ca7fba..f02322e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index c2524c8..953a027 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index 5ca7fba..f02322e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index f4893d1..c762398 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset DBLP
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index a4d7160..036e957 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index a4d7160..036e957 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 03a0b2a..6d5ccc6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 2dcb253..3b6f0a3 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orderstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql
index 7a54a7a..85f1f6d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/range-search/range-search.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItemtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset LineItem
diff --git a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index 43d0b32..43d28e5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/nested-open-index/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset MyDatatmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyData
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql
index 73a64a7..d5656a5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue208/query-issue208.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse OpenSocialNetworkData;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql
index 70e06f1..ed96520 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350-2/query-issue350-2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql
index 70e06f1..ed96520 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-closed/query-issue350/query-issue350.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse TinySocial;
 
 load dataset TweetMessages
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_messages.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
index f16367c..58095c5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/btree-secondary-equi-join/btree-secondary-equi-join.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
 insert into dataset DBLPOpen(
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
index e91e862..19f8542 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance-inline/ngram-edit-distance-inline.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
index 1ba026c..94e41d5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-edit-distance/ngram-edit-distance.2.update.aql
@@ -25,11 +25,11 @@
 use dataverse test;
 
 load dataset Customerstmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 load dataset Customers2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/co1k_olist/customer.adm"),("format"="adm"));
 
 insert into dataset Customers
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
index 58b556b..3ff3629 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard-inline/ngram-jaccard-inline.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
@@ -47,6 +47,6 @@
 );
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
index 34bb3f5..770ac9e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/ngram-jaccard/ngram-jaccard.2.update.aql
@@ -25,7 +25,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
@@ -46,6 +46,6 @@
 );
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
index 30b4cfe..80901f9 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/rtree-spatial-intersect-point/rtree-spatial-intersect-point.2.update.aql
@@ -26,11 +26,11 @@
 use dataverse test;
 
 load dataset MyData1tmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyData2
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 insert into dataset MyData1
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
index cdad5ea..b5e0fce 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard-inline/word-jaccard-inline.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
@@ -47,6 +47,6 @@
 );
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql
index 87c9f44..73870f2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-join/word-jaccard/word-jaccard.2.update.aql
@@ -25,7 +25,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000")) pre-sorted;
 
 insert into dataset DBLPOpen(
@@ -46,6 +46,6 @@
 );
 
 load dataset CSX
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/csx-small-id.txt"),("format"="delimited-text"),("delimiter"=":"),("quote"="\u0000"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
index f61f0b3..24e877b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx1/probe-pidx-with-join-btree-sidx1.2.update.aql
@@ -27,7 +27,7 @@
 
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
index 834af65..5e291f2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-btree-sidx2/probe-pidx-with-join-btree-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
index a1f86f8..fb21128 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-invidx-sidx2/probe-pidx-with-join-invidx-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
index aa76e60..407df8d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx1/probe-pidx-with-join-rtree-sidx1.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
index aa76e60..407df8d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-leftouterjoin/probe-pidx-with-join-rtree-sidx2/probe-pidx-with-join-rtree-sidx2.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset TweetMessagesTmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/tw_for_indexleftouterjoin.adm"),("format"="adm"));
 
 insert into dataset TweetMessages
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
index 44323d6..9ee6ace 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key-mixed-intervals/btree-index-composite-key-mixed-intervals.2.update.aql
@@ -29,7 +29,7 @@
 use dataverse test;
 
 load dataset employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 insert into dataset employeeOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
index cd4db99..3107409 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-composite-key/btree-index-composite-key.2.update.aql
@@ -28,7 +28,7 @@
 use dataverse test;
 
 load dataset employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 insert into dataset employeeOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
index 3fe5484..d3351644 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/btree-index-rewrite-multiple/btree-index-rewrite-multiple.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
index 08647f4..c5c6f3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-contains/inverted-index-ngram-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
index 6fd745d..68120b1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-contains/inverted-index-ngram-edit-distance-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
index 216acdc..7dee823 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-panic/inverted-index-ngram-edit-distance-panic.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
index 6fd745d..68120b1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance-word-tokens/inverted-index-ngram-edit-distance-word-tokens.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLPtmp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLP (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
index 216acdc..7dee823 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-edit-distance/inverted-index-ngram-edit-distance.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
index 08647f4..c5c6f3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-ngram-jaccard/inverted-index-ngram-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
index 08647f4..c5c6f3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-contains/inverted-index-word-contains.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
index 08647f4..c5c6f3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/inverted-index-word-jaccard/inverted-index-word-jaccard.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
 insert into dataset test.DBLPOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
index 26b30ba..513e63c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey-conjunctive/orders-index-custkey-conjunctive.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
index 26b30ba..513e63c 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/orders-index-custkey/orders-index-custkey.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql
index 5d073d8..2950a00 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/range-search/range-search.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset test.LineItemOpen (
diff --git a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
index d90855e..fdaa66b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/open-index-enforced/index-selection/rtree-secondary-index/rtree-secondary-index.2.update.aql
@@ -19,7 +19,7 @@
 use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 insert into dataset MyDataOpen
diff --git a/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_01/orderby_limit_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_01/orderby_limit_01.2.update.aql
index e1ab937..3432906 100644
--- a/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_01/orderby_limit_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_01/orderby_limit_01.2.update.aql
@@ -26,6 +26,6 @@
  use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData2.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_offset_01/orderby_limit_offset_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_offset_01/orderby_limit_offset_01.2.update.aql
index c69007b..b9ee1fe 100644
--- a/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_offset_01/orderby_limit_offset_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_offset_01/orderby_limit_offset_01.2.update.aql
@@ -26,6 +26,6 @@
  use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData2.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_primary_index_01/orderby_limit_primary_index_01.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_primary_index_01/orderby_limit_primary_index_01.2.update.aql
index 07eb916..176ec8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_primary_index_01/orderby_limit_primary_index_01.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/orderby_limit/orderby_limit_primary_index_01/orderby_limit_primary_index_01.2.update.aql
@@ -26,6 +26,6 @@
  use dataverse test;
 
 load dataset MyData
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData2.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql
index b5457c5..10c7e3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_02/somesat_02.2.update.aql
@@ -19,10 +19,10 @@
 use dataverse test;
 
 load dataset CustomerSomeSat02 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/custord-tiny/customer-tiny.adm"),("format"="adm"));
 
 load dataset OrdersSomeSat02 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/custord-tiny/order-tiny.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql
index 8436760..8b81f95 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/10/10.2.update.aql
@@ -21,6 +21,6 @@
 
 // drop dataset DBLP1;
 load dataset DBLP1
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql
index 341fb45..505b1d6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/20/20.2.update.aql
@@ -22,6 +22,6 @@
 
 // drop dataset DBLPadm;
 load dataset DBLPadm 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql
index 2077fe7..9269235 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/30/30.1.ddl.aql
@@ -31,5 +31,5 @@
 }
 
 create external dataset DBLPsplits(DBLPType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql
index 0d385d8..b362b28 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_01/alltypes_01.1.ddl.aql
@@ -56,5 +56,5 @@
 }
 
 create external dataset All(AllType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/allData.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql
index 58d2f25..646bbc2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02.aql
@@ -57,7 +57,7 @@
 }
 
 create external dataset All(AllType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/allData.json"),("format"="adm"));
         
 write output to asterix_nc1:"rttest/scan_alltypes_02.adm";
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql
index e5ac9af..204ee78 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/alltypes_02/alltypes_02.1.ddl.aql
@@ -63,5 +63,5 @@
 }
 
 create external dataset All(AllType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/allData.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql
index cd1d57d..10ad285 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_1/issue238_query_1.2.update.aql
@@ -30,6 +30,6 @@
 
 // drop dataset DBLPadm;
 load dataset DBLPadm 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/dblp-small/part-00000.adm, asterix_nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql
index dcca145..dfe3b49 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/issue238_query_2/issue238_query_2.2.update.aql
@@ -30,7 +30,7 @@
 
 // drop dataset DBLPadm;
 load dataset DBLPadm 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+using localfs 
 (("path"="asterix_nc1://data/dblp-small/part-00000.adm, 
  asterix_nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql
index 3e25c70..d151330 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/numeric_types_01/numeric_types_01.1.ddl.aql
@@ -32,5 +32,5 @@
 }
 
 create external dataset Numeric(NumericType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/numericData.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql
index c698d8a..42dfda7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_01/spatial_types_01.1.ddl.aql
@@ -31,5 +31,5 @@
 }
 
 create external dataset Spatial(SpatialType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql
index 7ce87c9..e28f370 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/spatial_types_02/spatial_types_02.1.ddl.aql
@@ -34,5 +34,5 @@
 	primary key id;
 
 load dataset Spatial2 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/spatialData.txt"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql
index d9979ab..39298dd 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_01/temp_types_01.1.ddl.aql
@@ -30,5 +30,5 @@
 }
 
 create external dataset Temp(TempType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/tempData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql
index 032ff27..3a3d1e6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/scan/temp_types_02/temp_types_02.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse test;
 
 load dataset Temp2 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/nontagged/tempData.txt"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql
index 5d660b2..50b56eb 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/count-nullable/count-nullable.1.ddl.aql
@@ -37,5 +37,5 @@
 
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql
index 4804b44..415b140 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/cust-filter/cust-filter.1.ddl.aql
@@ -36,5 +36,5 @@
 }
 
 create external dataset Customers(CustomerType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql
index 8d1ca57..fb7a6b2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.1.ddl.aql
@@ -30,5 +30,5 @@
 }
 
 create external dataset Orders(OrderType)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/orders.adm"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-edit-distance/fuzzyeq-edit-distance.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/fuzzyeq-similarity-jaccard/fuzzyeq-similarity-jaccard.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-check_query/similarity-jaccard-check_query.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted-check_query/similarity-jaccard-sorted-check_query.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard-sorted_query/similarity-jaccard-sorted_query.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql
index 3da6ddc..514bc83 100644
--- a/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/similarity/similarity-jaccard_query/similarity-jaccard_query.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse test;
 
 load dataset DBLP 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql
index 64888bb..7a9cee7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation-with-filtering/cell-aggregation-with-filtering.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse test;
 
 load dataset TwitterData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/twitter/extrasmalltweets.txt"),("format"="adm")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql
index 0f1c2b2..ccecae2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/cell-aggregation/cell-aggregation.1.ddl.aql
@@ -26,5 +26,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialDataAggregation.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql
index c1306b4..758c07b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/circle-intersect-circle/circle-intersect-circle.1.ddl.aql
@@ -27,5 +27,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql
index dd5d8cc..3777d8b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/create-rtree-index/create-rtree-index.2.update.aql
@@ -24,5 +24,5 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql
index c1306b4..758c07b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/distance-between-points/distance-between-points.1.ddl.aql
@@ -27,5 +27,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql
index c1306b4..758c07b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-circle/line-intersect-circle.1.ddl.aql
@@ -27,5 +27,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql
index c1306b4..758c07b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-line/line-intersect-line.1.ddl.aql
@@ -27,5 +27,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-polygon/line-intersect-polygon.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql
index 86ec31d..e91a54d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/line-intersect-rectangle/line-intersect-rectangle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-  using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+  using localfs
   (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-equals-point/point-equals-point.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-circle/point-in-circle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-polygon/point-in-polygon.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-in-rectangle/point-in-rectangle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql
index c1306b4..758c07b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/point-on-line/point-on-line.1.ddl.aql
@@ -27,5 +27,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-circle/polygon-intersect-circle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql
index c1306b4..758c07b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-polygon/polygon-intersect-polygon.1.ddl.aql
@@ -27,5 +27,5 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/polygon-intersect-rectangle/polygon-intersect-rectangle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-circle/rectangle-intersect-circle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql
index 6df2fcc..98e6d36 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/rectangle-intersect-rectangle/rectangle-intersect-rectangle.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql
index d5296ba..1ac9654 100644
--- a/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/spatial/spatial-area/spatial-area.1.ddl.aql
@@ -27,6 +27,6 @@
 }
 
 create external dataset MyData(MyRecord)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
index 9c13bd9..bc2b6ee 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset-with-index/delete-from-loaded-dataset-with-index.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
index 9a8fd71..e6b98c7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/delete-from-loaded-dataset/delete-from-loaded-dataset.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 delete $l from dataset LineItem where $l.l_orderkey>=10;
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql
index 6d88571..bf556a0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/drop-index/drop-index.2.update.aql
@@ -27,6 +27,6 @@
 
 // Load data
 load dataset t1
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/wisc/onektup.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql
index c43f1aa..7223583 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/empty-load-with-index/empty-load-with-index.2.update.aql
@@ -25,9 +25,9 @@
 use dataverse test;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/empty.adm"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
index 2d7a0d9..f4778ec 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset-with-index/insert-and-scan-dataset-with-index.2.update.aql
@@ -26,7 +26,7 @@
 use dataverse test;
 
 load dataset test.employee
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/names.adm"),("format"="delimited-text"),("delimiter"="|"));
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
index cf32f60..3e90473 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/insert-and-scan-dataset/insert-and-scan-dataset.2.update.aql
@@ -27,7 +27,7 @@
 use dataverse test;
 
 load dataset myData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/odd-numbers.adm"),("format"="adm"))pre-sorted;
 
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
index a186f22..5a99e55 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
@@ -25,6 +25,6 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
index d3e3bc1..24d8d3d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-delete-rtree-secondary-index/scan-delete-rtree-secondary-index.2.update.aql
@@ -25,6 +25,6 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql
index 636e6a6..8fffba1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-persistent-to-temp/scan-insert-persistent-to-temp.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
index 636e6a6..8fffba1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-rtree-secondary-index/scan-insert-rtree-secondary-index.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql
index 636e6a6..8fffba1 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temp-dataset/scan-insert-temp-to-persistent/scan-insert-temp-to-persistent.2.update.aql
@@ -26,10 +26,10 @@
 use dataverse test;
 
 load dataset MyData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm")) pre-sorted;
 
 load dataset MyMiniData 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData0.json"),("format"="adm")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql
index 782e0fa..462209d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_delimited_ds/insert_from_delimited_ds.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse testdvt;
 
 create external dataset testds(testtype)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/temporal/temporalData.txt"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql
index f606fa7..a7f7695 100644
--- a/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/temporal/insert_from_ext_ds/insert_from_ext_ds.1.ddl.aql
@@ -38,5 +38,5 @@
 }
 
 create external dataset testds(testtype)
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/temporal/temporalData.json"),("format"="adm"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
index a86cc37..fce79ca 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
index bdbd920..995d15a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
@@ -19,14 +19,14 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q04_order_priority/q04_order_priority.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q07_volume_shipping/q07_volume_shipping.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql
index 5b2fd7f..2e9746b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q08_national_market_share/q08_national_market_share.2.update.aql
@@ -19,33 +19,33 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql
index d1898ed..9ad06d2 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item/q10_returned_item.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql
index 5b2fd7f..2e9746b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q11_important_stock/q11_important_stock.2.update.aql
@@ -19,33 +19,33 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q12_shipping/q12_shipping.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q13_customer_distribution/q13_customer_distribution.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q14_promotion_effect/q14_promotion_effect.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q15_top_supplier/q15_top_supplier.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
index 087a7f6..64da2b0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql
index 5eab111..495ca09 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue601/query-issue601.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql
index ebd57dc..bceb882 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785-2/query-issue785-2.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql
index ebd57dc..bceb882 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue785/query-issue785.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql
index f40b085..7b520f6 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch-sql-like/query-issue786/query-issue786.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql
index 3de299b..b590c8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/distinct_by/distinct_by.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql
index 23f904d..90fb7e0 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/group_no_agg/group_no_agg.2.update.aql
@@ -19,5 +19,5 @@
 use dataverse tpch;
 
 load dataset Regions_group_no_agg 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql
index 5faabc5..7e9c1b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate/nest_aggregate.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate2/nest_aggregate2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate2/nest_aggregate2.2.update.aql
index 5faabc5..7e9c1b4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate2/nest_aggregate2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/nest_aggregate2/nest_aggregate2.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
index 3de299b..b590c8a 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q01_pricing_summary_report_nt/q01_pricing_summary_report_nt.2.update.aql
@@ -19,6 +19,6 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q02_minimum_cost_supplier/q02_minimum_cost_supplier.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
index 2878eb3..b629e3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q03_shipping_priority_nt/q03_shipping_priority_nt.2.update.aql
@@ -19,14 +19,14 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q04_order_priority/q04_order_priority.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q05_local_supplier_volume/q05_local_supplier_volume.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q06_forecast_revenue_change/q06_forecast_revenue_change.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q07_volume_shipping/q07_volume_shipping.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql
index b67efdb..4dcff89 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q08_national_market_share/q08_national_market_share.2.update.aql
@@ -19,33 +19,33 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q09_product_type_profit_nt/q09_product_type_profit_nt.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql
index d8c35a5..8f22390 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item/q10_returned_item.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q10_returned_item_int64/q10_returned_item_int64.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql
index b67efdb..4dcff89 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q11_important_stock/q11_important_stock.2.update.aql
@@ -19,33 +19,33 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q12_shipping/q12_shipping.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q14_promotion_effect/q14_promotion_effect.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q15_top_supplier/q15_top_supplier.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q16_parts_supplier_relationship/q16_parts_supplier_relationship.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_large_gby_variant/q17_large_gby_variant.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q17_small_quantity_order_revenue/q17_small_quantity_order_revenue.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q18_large_volume_customer/q18_large_volume_customer.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q19_discounted_revenue/q19_discounted_revenue.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q20_potential_part_promotion/q20_potential_part_promotion.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q21_suppliers_who_kept_orders_waiting/q21_suppliers_who_kept_orders_waiting.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
index 6097198..cb63ad4 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q22_global_sales_opportunity/q22_global_sales_opportunity.2.update.aql
@@ -19,34 +19,34 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-ASTERIXDB-1127/query-ASTERIXDB-1127.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-ASTERIXDB-1127/query-ASTERIXDB-1127.2.update.aql
index ee1ab58..d277a3f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-ASTERIXDB-1127/query-ASTERIXDB-1127.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-ASTERIXDB-1127/query-ASTERIXDB-1127.2.update.aql
@@ -20,33 +20,33 @@
 
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql
index c031736..0358cc8 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue562/query-issue562.2.update.aql
@@ -26,34 +26,34 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Part
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/part.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Partsupp
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/partsupp.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql
index c648a20..7c28a2e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue601/query-issue601.2.update.aql
@@ -26,5 +26,5 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql
index 8e54326..d707059 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785-2/query-issue785-2.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql
index 8e54326..d707059 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue785/query-issue785.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql
index ff3b394..7a5d6e5 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue786/query-issue786.2.update.aql
@@ -26,25 +26,25 @@
 use dataverse tpch;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Supplier
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/supplier.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Region
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/region.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Nation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/nation.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset Customer
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/customer.tbl"),("format"="delimited-text"),("delimiter"="|"));
 
 load dataset SelectedNation
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/selectednation.tbl"),("format"="delimited-text"),("delimiter"="|"));
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql
index 7e4b3fe..ba9fa1e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-2/query-issue810-2.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql
index 7e4b3fe..ba9fa1e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810-3/query-issue810-3.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql
index 7e4b3fe..ba9fa1e 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue810/query-issue810.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse tpch;
 
 load dataset LineItem
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql
index b383e70..500e266 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827-2/query-issue827-2.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql
index b383e70..500e266 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/query-issue827/query-issue827.2.update.aql
@@ -26,6 +26,6 @@
 use dataverse tpch;
 
 load dataset LineItem 
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/lineitem.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
diff --git a/asterix-app/src/test/resources/runtimets/queries/union/query-ASTERIXDB-1047/query-ASTERIXDB-1047.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/union/query-ASTERIXDB-1047/query-ASTERIXDB-1047.2.update.aql
index bbee2a1..f44c34f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/union/query-ASTERIXDB-1047/query-ASTERIXDB-1047.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/union/query-ASTERIXDB-1047/query-ASTERIXDB-1047.2.update.aql
@@ -20,5 +20,5 @@
 use dataverse test;
 
 load dataset DBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/pub-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":")) pre-sorted;
diff --git a/asterix-app/src/test/resources/runtimets/queries/upsert/multiple-secondaries/multiple-secondaries.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/upsert/multiple-secondaries/multiple-secondaries.2.update.aql
index 9e6086d..1e11049 100644
--- a/asterix-app/src/test/resources/runtimets/queries/upsert/multiple-secondaries/multiple-secondaries.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/upsert/multiple-secondaries/multiple-secondaries.2.update.aql
@@ -19,15 +19,15 @@
 use dataverse test;
 
 load dataset UpsertTo
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 load dataset UpsertFrom
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/moreSpatialData.json"),("format"="adm"));
 
 
 upsert into dataset UpsertTo(
 for $x in dataset UpsertFrom
 return $x
-);
\ No newline at end of file
+);
diff --git a/asterix-app/src/test/resources/runtimets/queries/upsert/nested-index/nested-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/upsert/nested-index/nested-index.2.update.aql
index 7a46315..4ac89ed 100644
--- a/asterix-app/src/test/resources/runtimets/queries/upsert/nested-index/nested-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/upsert/nested-index/nested-index.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset UpsertTo
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset UpsertFrom
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/other-orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset Orders
@@ -40,4 +40,4 @@
  return {
   "nested" : $c
  }
-);
\ No newline at end of file
+);
diff --git a/asterix-app/src/test/resources/runtimets/queries/upsert/nullable-index/nullable-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/upsert/nullable-index/nullable-index.2.update.aql
index 589eb3f..59c1a04 100644
--- a/asterix-app/src/test/resources/runtimets/queries/upsert/nullable-index/nullable-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/upsert/nullable-index/nullable-index.2.update.aql
@@ -19,14 +19,14 @@
 use dataverse test;
 
 load dataset Customers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/customer.adm"),("format"="adm"));
 
 load dataset MoreCustomers
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/semistructured/tiny01/more-customer.adm"),("format"="adm"));
 
 upsert into dataset Customers(
 for $x in dataset MoreCustomers
 return $x
-);
\ No newline at end of file
+);
diff --git a/asterix-app/src/test/resources/runtimets/queries/upsert/open-index/open-index.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/upsert/open-index/open-index.2.update.aql
index 5951e05..8f0bac7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/upsert/open-index/open-index.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/upsert/open-index/open-index.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset Orders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 load dataset OtherOrders
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/tpch0.001/other-orders.tbl"),("format"="delimited-text"),("delimiter"="|")) pre-sorted;
 
 insert into dataset OrdersOpen (
@@ -34,4 +34,4 @@
 upsert into dataset OrdersOpen (
  for $x in dataset Orders
   return $x
-);
\ No newline at end of file
+);
diff --git a/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-inverted/primary-secondary-inverted.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-inverted/primary-secondary-inverted.2.update.aql
index 054b26e..b687e6b 100644
--- a/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-inverted/primary-secondary-inverted.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-inverted/primary-secondary-inverted.2.update.aql
@@ -19,11 +19,11 @@
 use dataverse test;
 
 load dataset UpsertToDBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 load dataset UpsertFromDBLP
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/dblp-small/more-dblp-small-id.txt"),("format"="delimited-text"),("delimiter"=":"));
 
 upsert into dataset UpsertToDBLP(
diff --git a/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-rtree/primary-secondary-rtree.2.update.aql b/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-rtree/primary-secondary-rtree.2.update.aql
index 12b554f..c875040 100644
--- a/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-rtree/primary-secondary-rtree.2.update.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/upsert/primary-secondary-rtree/primary-secondary-rtree.2.update.aql
@@ -19,14 +19,14 @@
 use dataverse test;
 
 load dataset UpsertTo
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/spatialData.json"),("format"="adm"));
 
 load dataset UpsertFrom
-using "org.apache.asterix.external.dataset.adapter.NCFileSystemAdapter"
+using localfs
 (("path"="asterix_nc1://data/spatial/moreSpatialData.json"),("format"="adm"));
 
 upsert into dataset UpsertTo(
 for $x in dataset UpsertFrom
 return $x
-);
\ No newline at end of file
+);