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Posted to dev@ambari.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2015/09/17 23:53:04 UTC

[jira] [Created] (AMBARI-13135) Provide recommendation w.r.t. CMSInitiatingOccupancy for HBase

Ted Yu created AMBARI-13135:
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             Summary: Provide recommendation w.r.t. CMSInitiatingOccupancy for HBase
                 Key: AMBARI-13135
                 URL: https://issues.apache.org/jira/browse/AMBARI-13135
             Project: Ambari
          Issue Type: Improvement
            Reporter: Ted Yu


The following options are recommended for HBase when ConcMarkSweepGC is used:
{code}
-XX:CMSInitiatingOccupancyFraction=50
-XX:+UseCMSInitiatingOccupancyOnly
{code}
The band for CMSInitiatingOccupancyFraction is [40, 60], depending on workload.

This should be reflected in stack_advisor.py



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