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
 
diff --git a/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh b/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh
index f9b6a4e..1cba489 100644
--- a/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh
+++ b/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh
@@ -96,7 +96,7 @@
 cmd=( "${PREGELIX_HOME}/bin/pregelixnc" )
 cmd+=( -cc-host $CCHOST -cc-port $CC_CLUSTERPORT 
 	   -cluster-net-ip-address $IPADDR -data-ip-address $IPADDR -result-ip-address $IPADDR
-	   -node-id $NODEID -iodevices "${IO_DIRS}" -net-buffer-count 5 );
+	   -node-id $NODEID -iodevices "${IO_DIRS}" -net-buffer-count 5 -- ${VFRAME_SIZE});
 
 printf "\n\n\n********************************************\nStarting NC with command %s\n\n" "${cmd[*]}" >> "$NCLOGS_DIR/$NODEID.log"
 ${cmd[@]} >> "$NCLOGS_DIR/$NODEID.log" 2>&1 &