diff --git a/pregelix/pregelix-dist/src/main/resources/conf/cluster.properties b/pregelix/pregelix-dist/src/main/resources/conf/cluster.properties
index 79f42ed..82a7bfe 100644
--- a/pregelix/pregelix-dist/src/main/resources/conf/cluster.properties
+++ b/pregelix/pregelix-dist/src/main/resources/conf/cluster.properties
@@ -16,7 +16,7 @@
 CC_CLIENTPORT=3099
 
 #The CC port for Hyracks cluster management
-CC_CLUSTERPORT=1099
+CC_CLUSTERPORT=4099
 
 #The CC port for REST communication
 CC_HTTPPORT=16001
@@ -42,6 +42,9 @@
 #The frame size of the internal dataflow engine
 FRAME_SIZE=65536
 
+#The frame size of the vertex storage, it should be larger than the largest vertex byte size
+VFRAME_SIZE=65536
+
 #The number of jobs whose logs are kept in-memory on the CC
 JOB_HISTORY_SIZE=0