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From Otis Gospodnetic <otis.gospodne...@gmail.com>
Subject G1 before/after GC time graph
Date Wed, 10 Jul 2013 19:00:35 GMT

There was talk of G1 and HBase here over the past few days.  I wanted
to share a fresh and telling SPM graph showing G1 + some other params
in action:

Result first: https://apps.sematext.com/spm/s/wN0hKVixxX

This is what we had before:
  -XX:+HeapDumpOnOutOfMemoryError -XX:+UseG1GC
-XX:InitiatingHeapOccupancyPercent=35 -XX:G1ReservePercent=25

And then we added:
  -XX:MaxGCPauseMillis=200 -XX:NewRatio=4

I hope this helps.

HBase Performance Monitoring -- http://sematext.com/spm

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