JAVA_OPTS="" BITS=`java -version 2>&1 | grep -i 64-bit` if [ -n "$BITS" ]; then JAVA_OPTS=" -server -Xmx2g -Xms2g -Xmn256m -XX:PermSize=128m -Xss256k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 " else JAVA_OPTS=" -server -Xms1g -Xmx1g -XX:PermSize=128m -XX:SurvivorRatio=2 -XX:+UseParallelGC " fi
JVM中的JAVA_OPTS
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转载自halfsking.iteye.com/blog/2347981
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