Created
April 17, 2012 17:42
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JVM Performance Tuning
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| # 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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