pregelix/pregelix-dist/src/main/resources/scripts/startnc.sh

#!/bin/bash
#/*
# Copyright 2009-2013 by The Regents of the University of California
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# you may obtain a copy of the License from
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#*/
#
#------------------------------------------------------------------------
# Copyright 2009-2013 by The Regents of the University of California
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# you may obtain a copy of the License from
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ------------------------------------------------------------------------
#

hostname

MY_NAME=`hostname`
#Get the IP address of the cc
CCHOST_NAME=`cat conf/master`
CURRENT_PATH=`pwd`
CCHOST=`ssh ${CCHOST_NAME} "cd ${CURRENT_PATH}; bin/getip.sh"`

#Import cluster properties
. conf/cluster.properties

#Clean up temp dir

rm -rf $NCTMP_DIR
mkdir $NCTMP_DIR

#Clean up log dir
rm -rf $NCLOGS_DIR
mkdir $NCLOGS_DIR


#Clean up I/O working dir
io_dirs=$(echo $IO_DIRS | tr "," "\n")
for io_dir in $io_dirs
do
	rm -rf $io_dir
	mkdir $io_dir
done

#Set JAVA_HOME
export JAVA_HOME=$JAVA_HOME

IPADDR=`bin/getip.sh`
#echo $IPADDR

#Get node ID
NODEID=`hostname | cut -d '.' -f 1`

PREGELIX_HOME=`pwd`

#Enter the temp dir
cd $NCTMP_DIR

#get the OS
OS_NAME=`uname -a|awk '{print $1}'`
LINUX_OS='Linux'

if [ $OS_NAME = $LINUX_OS ];
then
	MEM_SIZE=`cat /proc/meminfo |grep MemTotal|awk '{print $2}'`
	MEM_SIZE=$(($MEM_SIZE * 1000))
else
	MEM_SIZE=`sysctl -a | grep "hw.memsize ="|awk '{print $3}'`
fi

MEM_SIZE=$(($MEM_SIZE * 3 / 4))

#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}" -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 &