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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8926) Do not set default GC options in hbase-env.sh
Date Thu, 11 Jul 2013 02:15:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13705397#comment-13705397
] 

Enis Soztutar commented on HBASE-8926:
--------------------------------------

It almost seems like we need -default and -site kind of thing in hbase-env.sh. Maybe we should
do hbase-env-default.sh which will define HBASE_OPTS, and you can edit/echo to hbase-env.sh
to override the setting. 
                
> Do not set default GC options in hbase-env.sh
> ---------------------------------------------
>
>                 Key: HBASE-8926
>                 URL: https://issues.apache.org/jira/browse/HBASE-8926
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.0, 0.95.2, 0.94.10
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Trivial
>         Attachments: 8926.patch
>
>
> Exporting default GC options in HBASE_OPTS from hbase-env.sh by default can interfere
with some deployment scenarios. We probably shouldn't be doing that.
> Noticed this when using scripts to set up EC2 test clusters for G1 GC. Having "-XX:+UseConcMarkSweepGC"
on the command line in that case will cause the JVMs to fail to launch.

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