diff --git a/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh b/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh
index 8e742ea..f9b6a4e 100644
--- a/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh
+++ b/pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh
@@ -90,11 +90,13 @@
 #Set JAVA_OPTS
 export JAVA_OPTS=$NCJAVA_OPTS" -Xmx"$MEM_SIZE
 
+#TODO: add the optimized setting for -net-buffer-count
+
 #Launch hyracks nc
 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}" );
+	   -node-id $NODEID -iodevices "${IO_DIRS}" -net-buffer-count 5 );
 
 printf "\n\n\n********************************************\nStarting NC with command %s\n\n" "${cmd[*]}" >> "$NCLOGS_DIR/$NODEID.log"
 ${cmd[@]} >> "$NCLOGS_DIR/$NODEID.log" 2>&1 &