diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataConstants.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataConstants.java
index 243b87c..f7d9de2 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataConstants.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataConstants.java
@@ -63,6 +63,8 @@
     public static final String KEY_HADOOP_ASTERIX_WARNINGS_ENABLED = "org.apache.asterix.warnings.enabled";
     //Base64 encoded warnings issued from Hadoop
     public static final String KEY_HADOOP_ASTERIX_WARNINGS_LIST = "org.apache.asterix.warnings.list";
+    //Disable caching FileSystem for Hadoop
+    public static final String KEY_HADOOP_DISABLE_FS_CACHE_TEMPLATE = "fs.%s.impl.disable.cache";
     //Base64 encoded function call information
     public static final String KEY_HADOOP_ASTERIX_FUNCTION_CALL_INFORMATION = "org.apache.asterix.function.info";
     public static final String KEY_SOURCE_DATATYPE = "type-name";
@@ -84,7 +86,6 @@
     public static final String KEY_ESCAPE = "escape";
     public static final String KEY_PARSER = "parser";
     public static final String KEY_DATASET_RECORD = "dataset-record";
-    public static final String KEY_HIVE_SERDE = "hive-serde";
     public static final String KEY_RSS_URL = "url";
     public static final String KEY_INTERVAL = "interval";
     public static final String KEY_IS_FEED = "is-feed";
@@ -178,7 +179,6 @@
     /**
      * supported builtin record formats
      */
-    public static final String FORMAT_HIVE = "hive";
     public static final String FORMAT_BINARY = "binary";
     public static final String FORMAT_ADM = "adm";
     public static final String FORMAT_JSON_LOWER_CASE = "json";
@@ -198,7 +198,6 @@
 
     static {
         Set<String> formats = new HashSet<>(14);
-        formats.add(FORMAT_HIVE);
         formats.add(FORMAT_BINARY);
         formats.add(FORMAT_ADM);
         formats.add(FORMAT_JSON_LOWER_CASE);
diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataUtils.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataUtils.java
index dd44436..dcd8f9a 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataUtils.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/ExternalDataUtils.java
@@ -31,6 +31,7 @@
 import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_CREDENTIAL_PROVIDER_KEY;
 import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_PATH_STYLE_ACCESS;
 import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_S3_CONNECTION_POOL_SIZE;
+import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_S3_PROTOCOL;
 import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_SECRET_ACCESS_KEY;
 import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_SESSION_TOKEN;
 import static org.apache.asterix.external.util.ExternalDataConstants.AwsS3.HADOOP_TEMP_ACCESS;
@@ -927,6 +928,9 @@
             String sessionToken = configuration.get(ExternalDataConstants.AwsS3.SESSION_TOKEN_FIELD_NAME);
             String serviceEndpoint = configuration.get(ExternalDataConstants.AwsS3.SERVICE_END_POINT_FIELD_NAME);
 
+            //Disable caching S3 FileSystem
+            HDFSUtils.disableHadoopFileSystemCache(conf, HADOOP_S3_PROTOCOL);
+
             /*
              * Authentication Methods:
              * 1- Anonymous: no accessKeyId and no secretAccessKey
diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/HDFSUtils.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/HDFSUtils.java
index e774b40..9f65cd7 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/HDFSUtils.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/util/HDFSUtils.java
@@ -336,4 +336,16 @@
             conf.unset(ExternalDataConstants.KEY_HADOOP_ASTERIX_WARNINGS_LIST);
         }
     }
+
+    /**
+     * Hadoop can cache FileSystem instance if reading the same file. This method allows for disabling the cache
+     *
+     * @param conf     Hadoop configuration
+     * @param protocol fs scheme (or protocol). e.g., s3a
+     */
+    public static void disableHadoopFileSystemCache(Configuration conf, String protocol) {
+        //Disable fs cache
+        conf.set(String.format(ExternalDataConstants.KEY_HADOOP_DISABLE_FS_CACHE_TEMPLATE, protocol),
+                ExternalDataConstants.TRUE);
+    }
 }