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Posted to dev@ambari.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2015/12/14 21:35:46 UTC

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

    [ https://issues.apache.org/jira/browse/AMBARI-13135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056670#comment-15056670 ] 

Ted Yu commented on AMBARI-13135:
---------------------------------

See also HBASE-14951

> 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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