GC Tuning

Joseph josephj at arssoftware.com
Thu Sep 17 13:02:38 UTC 2015


Hi ,

I am Joseph. I am trying to tune performance of  our server .I run server with following g1 gc options.

Maximum heap allocated to server is 5GB.

" -XX:+UseG1GC -XX:MaxGCPauseMillis=100 -XX:ParallelGCThreads=4 -XX:InitiatingHeapOccupancyPercent=65 -XX:+ParallelRefProcEnabled -XX:-ResizePLAB -Xloggc:/var/log/hbase/gc-hbase.log -XX:+PrintGCDetails -XX:+PrintAdaptiveSizePolicy -XX:+PrintGCTimeStamps"

The gc logs resulted with above gc flags are attached with the mail.How to reduce garbage pause time in our server.

Thank you for your valuble time


Regards,
Joseph


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