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Posted to issues@ambari.apache.org by "Yao Lei (JIRA)" <ji...@apache.org> on 2017/08/23 10:49:00 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=16138217#comment-16138217 ]
Yao Lei commented on AMBARI-13135:
----------------------------------
Hi [~tedyu]
Some pictures attached, please review
> 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
> Fix For: 2.6.0
>
> Attachments: sample1.png, sample2.png, sample3.png, sample4.png, sample5.png
>
>
> 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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