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https://issues.apache.org/jira/browse/HBASE-14613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15219386#comment-15219386
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Jingcheng Du commented on HBASE-14613:
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Supplement the G1GC settings used when I did the test in case some one needs it.
-XX:+UseG1GC -Xms64g -Xmx64g -XX:+AlwaysPreTouch -XX:+UnlockDiagnosticVMOptions
-XX:+UnlockExperimentalVMOptions -XX:MaxGCPauseMillis=100
-XX:ParallelGCThreads=38 -XX:ConcGCThreads=22 -XX:G1HeapWastePercent=20
-XX:G1NewSizePercent=2 -XX:G1MaxNewSizePercent=20 -XX:+ParallelRefProcEnabled
-XX:+PrintAdaptiveSizePolicy -XX:+PrintFlagsFinal -XX:+PrintGCDateStamps
-XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintReferenceGC
-XX:+PrintTenuringDistribution -Dcom.sun.management.jmxremote=true
-Dcom.sun.management.jmxremote.port=19090
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.autodiscovery=true -Xloggc:/xxx/gc.log
> Remove MemStoreChunkPool?
> -------------------------
>
> Key: HBASE-14613
> URL: https://issues.apache.org/jira/browse/HBASE-14613
> Project: HBase
> Issue Type: Sub-task
> Reporter: Lars Hofhansl
> Priority: Minor
> Attachments: 14613-0.98.txt, gc.png, writes.png
>
>
> I just stumbled across MemStoreChunkPool. The idea behind is to reuse chunks
> of allocations rather than letting the GC handle this.
> Now, it's off by default, and it seems to me to be of dubious value. I'd
> recommend just removing it.
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