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JasonGiedymin/jvm_tuning_64bit

Created April 17, 2012 17:42
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JVM Performance Tuning
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jvm_tuning_64bit
# Jason Giedymin
# jasong _-@-_ apache _dot_ org
# Try these options for your 64bit JVM.
# Aggressive collection, Large-ish Memory footprint
-Xss1024k -Xms512m -Xmx1408m -XX:MaxPermSize=512m -XX:ReservedCodeCacheSize=1024m -XX:+AggressiveOpts -XX:ParallelGCThreads=16 -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops
# Aggressive collection but use memory if needed
-Xss1024k -Xms128m -Xmx1408m -XX:MaxPermSize=128m -XX:ReservedCodeCacheSize=1024m -XX:+AggressiveOpts -XX:ParallelGCThreads=4 -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops
# Experimental - JDK and sysctl edits required
-Xss1024k -Xms8192m -Xmx40960m -XX:MaxPermSize=8192m -XX:ReservedCodeCacheSize=4096m -XX:+AggressiveOpts -XX:ParallelGCThreads=24 -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops
## Try these if your messing with the JDK (experimental)....
# Aggressive collection, Large-ish Memory footprint
-Xss1024k -Xms512m -Xmx1408m -XX:MaxPermSize=512m -XX:ReservedCodeCacheSize=1024m -XX:+AggressiveOpts -XX:ParallelGCThreads=16 -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops
# Aggressive collection but use memory if needed
-Xss1024k -Xms128m -Xmx1408m -XX:MaxPermSize=128m -XX:ReservedCodeCacheSize=1024m -XX:+AggressiveOpts -XX:ParallelGCThreads=4 -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops
# Experimental - JDK and sysctl edits required
-Xss1024k -Xms8192m -Xmx40960m -XX:MaxPermSize=8192m -XX:ReservedCodeCacheSize=4096m -XX:+AggressiveOpts -XX:ParallelGCThreads=24 -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+ExplicitGCInvokesConcurrent -XX:+UseCompressedOops
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