51 lines
1.9 KiB
Bash
51 lines
1.9 KiB
Bash
CLASSPATH=$CLASSPATH:$ES_HOME/lib/elasticsearch-@ES_VERSION@.jar:$ES_HOME/lib/*:$ES_HOME/lib/sigar/*
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if [ "x$ES_MIN_MEM" = "x" ]; then
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ES_MIN_MEM=256m
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fi
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if [ "x$ES_MAX_MEM" = "x" ]; then
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ES_MAX_MEM=1g
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fi
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# min and max heap sizes should be set to the same value to avoid
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# stop-the-world GC pauses during resize, and so that we can lock the
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# heap in memory on startup to prevent any of it from being swapped
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# out.
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JAVA_OPTS="$JAVA_OPTS -Xms${ES_MIN_MEM}"
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JAVA_OPTS="$JAVA_OPTS -Xmx${ES_MAX_MEM}"
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# reduce the per-thread stack size
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JAVA_OPTS="$JAVA_OPTS -Xss128k"
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JAVA_OPTS="$JAVA_OPTS -Djline.enabled=true"
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# Enable aggressive optimizations in the JVM
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# - Disabled by default as it might cause the JVM to crash
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# JAVA_OPTS="$JAVA_OPTS -XX:+AggressiveOpts"
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# Enable reference compression, reducing memory overhead on 64bit JVMs
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# - Disabled by default as it is not stable for Sun JVM before 6u19
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#JAVA_OPTS="$JAVA_OPTS -XX:+UseCompressedOops"
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JAVA_OPTS="$JAVA_OPTS -XX:+UseParNewGC"
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JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC"
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JAVA_OPTS="$JAVA_OPTS -XX:+CMSParallelRemarkEnabled"
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JAVA_OPTS="$JAVA_OPTS -XX:SurvivorRatio=8"
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JAVA_OPTS="$JAVA_OPTS -XX:MaxTenuringThreshold=1"
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JAVA_OPTS="$JAVA_OPTS -XX:CMSInitiatingOccupancyFraction=75"
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JAVA_OPTS="$JAVA_OPTS -XX:+UseCMSInitiatingOccupancyOnly"
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# GC logging options -- uncomment to enable
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# JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCDetails"
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# JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCTimeStamps"
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# JAVA_OPTS="$JAVA_OPTS -XX:+PrintClassHistogram"
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# JAVA_OPTS="$JAVA_OPTS -XX:+PrintTenuringDistribution"
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# JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCApplicationStoppedTime"
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# JAVA_OPTS="$JAVA_OPTS -Xloggc:/var/log/elasticsearch/gc.log"
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# Causes the JVM to dump its heap on OutOfMemory.
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JAVA_OPTS="$JAVA_OPTS -XX:+HeapDumpOnOutOfMemoryError"
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# The path to the heap dump location, note directory must exists and have enough
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# space for a full heap dump.
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#JAVA_OPTS="$JAVA_OPTS -XX:HeapDumpPath=$ES_HOME/logs/heapdump.hprof"
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