GC Parameters List

I am always on the lookout for common GC parameters. So I figured I'll compile a list of some of the common parameters and places where I found them:

Super Lists of All Parameters:

1. http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html 
2. http://stas-blogspot.blogspot.fi/2011/07/most-complete-list-of-xx-options-for.html
3. http://blog.ragozin.info/2011/09/hotspot-jvm-garbage-collection-options.html
4. http://reins.altervista.org/java/A_Collection_of_JVM_Options_MP.html 

Blog Roll

• http://practicingtechie.wordpress.com/2013/06/15/java-vm-options/
  
  • -XX:+UseConcMarkSweepGC
  • -XX:+HeapDumpOnOutOfMemoryError
  • -XX:HeapDumpPath=$APP_HOME_DIR
  • -XX:OnOutOfMemoryError=
  • -XX:OnError=
  • -XX:+PrintGCDetails
  • -XX:+PrintGCTimeStamps
  • -Xloggc:$APP_HOME_DIR/gc.log
  • -XX:-UseGCLogFileRotation
  • -XX:GCLogFileSize=M 
  • -XX:NumberOfGCLogFiles=

• http://community.gemstone.com/display/gemfire60/GC+Tuning
  
  • -XX:NewSize=m 
  • -XX:CMSInitiatingOccupancyFraction=N
  • -XX:+UseConcMarkSweepGC
  • -Xmxm
  • -Xmsm

• http://blog.mikiobraun.de/2010/08/cassandra-gc-tuning.html  
  
  • -XX:+UseConcMarkSweepGC 
  • -XX:ParallelCMSThreads=1  
  • -XX:+CMSIncrementalMode  
  • -XX:+CMSIncrementalPacing  
  • -XX:CMSIncrementalDutyCycleMin=0  
  • -XX:CMSIncrementalDutyCycle=10 

• https://blogs.atlassian.com/2013/02/a-little-practical-gc-tuning-on-eclipse/ 
• -server
• -XX:MaxPermSize=320m
• -XX:+UseParallelGC
• -Xmx3g
• -Xmn2g
• -XX:+DisableExplicitGC

• http://themindstorms.wordpress.com/2009/01/21/advanced-jvm-tuning-for-low-pause/ 
• -Xms2g
• -Xmx2g
• -Xmn150m 
• -XX:GCTimeRatio=2 
• -XX:ParallelGCThreads=8 
• -XX:+UseParNewGC 
• -XX:MaxGCPauseMillis=2000 
• -XX:+DisableExplicitGC

• http://forum.openspaces.org/thread.jspa?messageID=9277 
• -Xms2g 
• -Xmx2g 
• -XX:+UseConcMarkSweepGC 
• -XX:+CMSIncrementalMode 
• -XX:+CMSIncrementalPacing 
• -XX:CMSIncrementalDutyCycleMin=10 
• -XX:CMSIncrementalDutyCycle=50 
• -XX:ParallelGCThreads=8 
• -XX:+UseParNewGC 
• -Xmn150m 
• -XX:MaxGCPauseMillis=2000 
• -XX:GCTimeRatio=10 
• -XX:+DisableExplicitGC 

• http://java-is-the-new-c.blogspot.com/
• -Xms11g 
• -Xmx11g 
• -verbose:gc 
• -XX:-UseAdaptiveSizePolicy 
• -XX:SurvivorRatio=12 
• -XX:NewSize=100m 
• -XX:MaxNewSize=100m 
• -XX:MaxTenuringThreshold=2

• http://techblog.netflix.com/2013/05/garbage-collection-visualization.html
• -verbose:gc
• -verbose:sizes
• -Xloggc:/apps/tomcat/logs/gc.log
• -XX:+PrintGCDetails
• -XX:+PrintGCDateStamps
• -XX:+PrintTenuringDistribution
• -XX:-UseGCOverheadLimit
• -XX:+ExplicitGCInvokesConcurrent
• -XX:+UseConcMarkSweepGC
• -XX:+CMSScavengeBeforeRemark
• -XX:+CMSParallelRemarkEnabled

• https://access.redhat.com/site/documentation/en-US/JBoss_Enterprise_Application_Platform/5/html/Performance_Tuning_Guide/sect-Performance_Tuning_Guide-Java_Virtual_Machine_Tuning-Garbage_Collection_and_Performance_Tuning.html
• -Xms12288m
• -Xmx12288m
• -XX:+UseLargePages
• -XX:+UseParallelOldGC

• http://onthejvm.blogspot.com/2013/05/java-gc-tuning-for-high-frequency.html
• -XX:+UnlockDiagnosticVMOptions 
• -Xmx4g 
• -Xms4g 
• -XX:MaxNewSize=3g 
• -XX:NewSize=3g 
• -XX:ParallelGCThreads=7 
• -XX:+UseGCTaskAffinity 
• -XX:+BindGCTaskThreadsToCPUs 
• -XX:ParGCCardsPerStrideChunk=32768
  

• http://glipho.com/albert/performance-effects-of-garbage-collection-tuning-on-java
• -XX:+UseConcMarkSweepGC
• -XX:ParallelCMSThreads=8
• -XX:+CMSIncrementalMode
• -XX:+CMSIncrementalPacing
• -XX:CMSIncrementalDutyCycleMin=0
• -XX:CMSIncrementalDutyCycle=10

• http://docs.neo4j.org/chunked/milestone/configuration-jvm.html
• -Xmx
• -XX:+UseConcMarkSweepGC
• -XX:NewRatio=#

• http://blog.igorminar.com/2010/07/dgc-ii-jvm-tuning.html 
• -XX:+UseConcMarkSweepGC
• -XX:+UseParNewGC
• -XX:CMSInitiatingOccupancyFraction=68
• -XX:MaxTenuringThreshold=31
• -XX:+CMSParallelRemarkEnabled
• -XX:SurvivorRatio=6
• -XX:TargetSurvivorRatio=90 
• -XX:+AggressiveOpts
• -XX:+DoEscapeAnalysis 
• -Xloggc:/some/path/
• -XX:+PrintGCDetails 
• -XX:+PrintGCTimeStamps
• -XX:+PrintGCDateStamps
• -XX:+PrintTenuringDistribution
• -XX:+HeapDumpOnOutOfMemoryError
• -Xmn2818m 

• http://blog.performize-it.com/2013/09/jvm-params-everyone-should-have-in.html
• -Xms{#MB}m -Xmx{#MB}m
• -XX:PermSize={#MB}m -XX:MaxPermSize={#MB}m
• -XX:+HeapDumpOnOutOfMemoryError
• -XX:+PrintFlagsFinal
• -server
• -XX:+PrintGCDetails
• -XX:+PrintGCDateStamps 
• -XX:+PrintTenuringDistribution 
• -XX:+PrintGCApplicationStoppedTime 
• -XX:+PrintGCApplicationConcurrentTime  
• -XX:+UseGCLogFileRotation
• -XX:NumberOfGCLogFiles={#files}
• -XX:GCLogFileSize={#MB}M
• -Xloggc:{some gc log file}.gc 
• -Dcom.sun.management.jmxremote
• -Dcom.sun.management.jmxremote.port={a port}
• -Dcom.sun.management.jmxremote.authenticate=false
• -Dcom.sun.management.jmxremote.authenticate=false

• Big Bank System with a very large Heap (~80gb)
• -d64
• -server
• -XX:+AggressiveOpts
• -XX:+UseConcMarkSweepGC
• -XX:+UseParNewGC
• -XX:ParallelGCThreads=4
• -XX:NewRatio=4

 Tools

1. https://github.com/foursquare/heapaudit
2. https://github.com/twitter/jvmgcprof
3. https://github.com/Netflix/gcviz
4. https://github.com/chewiebug/GCViewer

Tutorials

1. http://www.slideshare.net/aszegedi/everything-i-ever-learned-about-jvm-performance-tuning-twitter
2. http://java.dzone.com/articles/how-tame-java-gc-pauses
3. http://blog.ragozin.info/p/garbage-collection.html
4. http://blog.ragozin.info/2011/10/techtalk-garbage-collection-in-java.html
5. https://blogs.oracle.com/jonthecollector/entry/the_second_most_important_gc
6. http://stackoverflow.com/questions/17009961/understanding-the-java-memory-model-and-garbage-collection
7. http://mechanical-sympathy.blogspot.com/2013/07/java-garbage-collection-distilled.html
8. http://blog.mgm-tp.com/2013/03/garbage-collection-tuning/
9. http://www.youtube.com/watch?v=o6qx_zvpOyI  
10. http://www.infoq.com/presentations/Virtualizing-Tuning-JVM
11. https://blog.codecentric.de/en/2013/10/useful-jvm-flags-part-7-cms-collector/
12. http://blog.headius.com/2009/01/my-favorite-hotspot-jvm-flags.html 
13. http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html
14. http://java.dzone.com/articles/java-garbage-collection-0