Created
June 15, 2018 09:37
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IntelliJ IDEA 2018 JVM optimization
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| # IntelliJ IDEA vm options | |
| -ea | |
| -server | |
| -Xms2G | |
| -Xmx4096M | |
| -Xss2m | |
| -XX:MaxMetaspaceSize=2G | |
| -XX:ReservedCodeCacheSize=1G | |
| -XX:MetaspaceSize=512m | |
| -XX:+UseG1GC | |
| -XX:-UseParNewGC | |
| -XX:-UseConcMarkSweepGC | |
| -XX:+DoEscapeAnalysis | |
| -XX:SoftRefLRUPolicyMSPerMB=50 | |
| -XX:+UnlockExperimentalVMOptions | |
| -Djava.net.preferIPv4Stack=true | |
| -Dsun.io.useCanonCaches=false | |
| -XX:LargePageSizeInBytes=256m | |
| -XX:+UseCodeCacheFlushing | |
| -XX:ParallelGCThreads=8 | |
| -XX:+DisableExplicitGC | |
| -XX:+ExplicitGCInvokesConcurrent | |
| -XX:+PrintGCDetails | |
| -XX:+PrintFlagsFinal | |
| -XX:+AggressiveOpts | |
| -XX:+CMSClassUnloadingEnabled | |
| -XX:CMSInitiatingOccupancyFraction=60 | |
| -XX:+CMSClassUnloadingEnabled | |
| -XX:+CMSParallelRemarkEnabled | |
| -XX:+UseAdaptiveGCBoundary | |
| -XX:+UseSplitVerifier | |
| -XX:CompileThreshold=10000 | |
| -XX:+OptimizeStringConcat | |
| -XX:+UseStringCache | |
| -XX:+UseFastAccessorMethods | |
| -XX:+UnlockDiagnosticVMOptions | |
| -XX:+HeapDumpOnOutOfMemoryError | |
| -XX:+UseCompressedOops | |
| -XX:-OmitStackTraceInFastThrow | |
| -Dawt.useSystemAAFontSettings=lcd | |
| -Dfile.encoding=UTF-8 | |
| -Xverify:none | |
| -XX:ErrorFile=$USER_HOME/java_error_in_idea_%p.log | |
| -XX:HeapDumpPath=$USER_HOME/java_error_in_idea.hprof | |
| -Xbootclasspath/a:../lib/boot.jar |
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配置好长啊。。优化后效果如何？？ what a long configuration list. How is the effect of this optimization?