fix a serializer/deserializer race condition in pregelix hash computer
diff --git a/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result
deleted file mode 100644
index a30166c..0000000
--- a/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result
+++ /dev/null
@@ -1,13 +0,0 @@
-1 0.0
-5 0.0
-7 0.0
-11 0.0
-13 0.0
-17 0.0
-19 0.0
-100 0.0
-500 0.0
-700 0.0
-1100 0.0
-1300 0.0
-1700 0.0
diff --git a/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-0 b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-0
new file mode 100755
index 0000000..b5f7ed3
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-0
@@ -0,0 +1,6 @@
+100	0.0
+500	0.0
+700	0.0
+1100	0.0
+1300	0.0
+1700	0.0
diff --git a/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-1 b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-1
new file mode 100755
index 0000000..4eca51d
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-1
@@ -0,0 +1,4 @@
+1	0.0
+5	0.0
+13	0.0
+17	0.0
diff --git a/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-2 b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-2
new file mode 100755
index 0000000..e69de29
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-2
diff --git a/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-3 b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-3
new file mode 100755
index 0000000..9446ff7
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/GraphMutation.result/part-3
@@ -0,0 +1,3 @@
+7	0.0
+11	0.0
+19	0.0