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https://issues.apache.org/jira/browse/HBASE-10081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13881024#comment-13881024
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Nicolas Liochon commented on HBASE-10081:
-----------------------------------------

Hum. Doesn't that mean that the first time it will erase the value set in the 
shell, but not the next time?
If yes, would it make sense to do something to have something like 
{code}
// pseudo code
HBASE_EXTRA_OPTS="-XX:+UseConcMarkSweepGC"
if (!HBASE_OPTS.contains(HBASE_EXTRA_OPTS)) HBASE_OPTS  = HBASE_EXTRA_OPTS + 
HBASE_OPTS
{code}

> Since HBASE-7091, HBASE_OPTS cannot be set on the command line
> --------------------------------------------------------------
>
>                 Key: HBASE-10081
>                 URL: https://issues.apache.org/jira/browse/HBASE-10081
>             Project: HBase
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.98.0, 0.96.0
>            Reporter: Nicolas Liochon
>            Assignee: Liu Shaohui
>            Priority: Minor
>         Attachments: HBASE-10081-v1.diff
>
>
> Discussed in HBASE-7091.
> It's not critical, but a little bit surprising, as the comments in bin/hbase 
> doesn't say anything about this. If you create your own hbase-env then it's 
> not an issue...



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