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export ES_CONF_DIR=${ES_CONF_DIR-/etc/elasticsearch}
export ES_WORK_DIR=${ES_WORK_DIR-/mnt/elasticsearch/work}
export ES_DATA_DIR=${ES_DATA_DIR-/mnt/elasticsearch/data}
export CLASSPATH=$ES_HOME/plugins/cloud-aws.zip
CLASSPATH=$CLASSPATH:$ES_HOME/lib/elasticsearch-0.11.0.jar:$ES_HOME/lib/*:$ES_HOME/lib/sigar/*
# bump the # of open files way way up
ulimit -n 65536
# allow elasticsearch to lock itself into memory if JNA is installed
ulimit -l unlimited
if [ "x$ES_MIN_MEM" = "x" ]; then
ES_MIN_MEM=256m
fi
if [ "x$ES_MAX_MEM" = "x" ]; then
ES_MAX_MEM=1500m
fi
# Arguments to pass to the JVM
JAVA_OPTS="$JAVA_OPTS -Xms${ES_MIN_MEM}"
JAVA_OPTS="$JAVA_OPTS -Xmx${ES_MAX_MEM}"
JAVA_OPTS="$JAVA_OPTS -Xss128k"
JAVA_OPTS="$JAVA_OPTS -Djline.enabled=true"
JAVA_OPTS="$JAVA_OPTS -XX:+AggressiveOpts"
JAVA_OPTS="$JAVA_OPTS -XX:+UseParNewGC"
JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC"
JAVA_OPTS="$JAVA_OPTS -XX:+CMSParallelRemarkEnabled"
JAVA_OPTS="$JAVA_OPTS -XX:SurvivorRatio=8"
JAVA_OPTS="$JAVA_OPTS -XX:MaxTenuringThreshold=1"
JAVA_OPTS="$JAVA_OPTS -XX:+HeapDumpOnOutOfMemoryError"
JAVA_OPTS="$JAVA_OPTS -XX:HeapDumpPath=$ES_WORK_DIR/heap"
JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCTimeStamps -XX:+PrintTenuringDistribution -XX:+TraceClassUnloading -XX:+PrintGCDetails -verbose:gc -Xloggc:/var/log/elasticsearch/elasticsearch-gc.log"
JAVA_OPTS="$JAVA_OPTS -XX:+UseCompressedOops" # avoid this on sun java < 1.6.0_20
# ensures JMX accessible from outside world
JAVA_OPTS="$JAVA_OPTS -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Djava.rmi.server.hostname=ec2-184-73-69-18.compute-1.amazonaws.com "
# More options to consider LATER
# java.net.preferIPv4Stack=true: Better OOTB experience, especially with jgroups
# -XX:CMSInitiatingOccupancyFraction=88
ES_JAVA_OPTS="$ES_JAVA_OPTS -Des.path.data=$ES_DATA_DIR -Des.path.work=$ES_WORK_DIR"
echo JAVA_OPTS="'$JAVA_OPTS'"
echo ES_JAVA_OPTS="'$ES_JAVA_OPTS'"
export JAVA_OPTS ES_JAVA_OPTS ES_MAX_MEM ES_MIN_MEM
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