fix a serializer/deserializer race condition in pregelix hash computer
diff --git a/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result
deleted file mode 100644
index 1693fb2..0000000
--- a/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result
+++ /dev/null
@@ -1,23 +0,0 @@
-0 1
-1 1
-2 1
-3 1
-4 1
-5 1
-6 1
-7 1
-8 1
-9 1
-10 1
-11 1
-12 1
-13 1
-14 1
-15 1
-16 1
-17 1
-18 1
-19 1
-21 0
-25 2
-27 0
diff --git a/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-0 b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-0
new file mode 100755
index 0000000..8e02e13
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-0
@@ -0,0 +1,5 @@
+0 1
+4 1
+8 1
+12 1
+16 1
diff --git a/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-1 b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-1
new file mode 100755
index 0000000..cfbb359
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-1
@@ -0,0 +1,7 @@
+1 1
+5 1
+9 1
+13 1
+17 1
+21 0
+25 2
diff --git a/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-2 b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-2
new file mode 100755
index 0000000..8e3ca7c
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-2
@@ -0,0 +1,5 @@
+2 1
+6 1
+10 1
+14 1
+18 1
diff --git a/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-3 b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-3
new file mode 100755
index 0000000..5f83a3d
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/ReachibilityRealComplexNoConnectivity.result/part-3
@@ -0,0 +1,6 @@
+3 1
+7 1
+11 1
+15 1
+19 1
+27 0