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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13516) Increase PermSize to 128MB
Date Tue, 21 Apr 2015 16:12:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505188#comment-14505188
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stack commented on HBASE-13516:
-------------------------------

bq. Only needed in jdk8.

Yeah, sorry... should have had a 'not' in there.

> Increase PermSize to 128MB
> --------------------------
>
>                 Key: HBASE-13516
>                 URL: https://issues.apache.org/jira/browse/HBASE-13516
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 2.0.0, 1.1.0
>
>         Attachments: hbase-13516_v1.patch
>
>
> HBase uses ~40MB, and with Phoenix we use ~56MB of Perm space out of 64MB by default.
Every Filter and Coprocessor increases that.
> Running out of perm space triggers a stop the world full GC of the entire heap. We have
seen this in misconfigured cluster. 
> Should we default to  {{-XX:PermSize=128m -XX:MaxPermSize=128m}} out of the box as a
convenience for users? 



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