[jira] [Commented] (HBASE-13449) HBASE_REGIONSERVER_OPTS in local-regionservers.sh is masked and silently reset.

["Josh Elser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-13449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14490500#comment-14490500 ] 

Josh Elser commented on HBASE-13449:
------------------------------------

I believe the intent of setting that variable to the empty string is that local_regionservers.sh is intended to support more than one region server running on a single host. If that's the case, as the comment alludes, all but one of the regionservers would fail being unable to bind to a specific port that was already taken.

> HBASE_REGIONSERVER_OPTS in local-regionservers.sh is masked and silently reset.
> -------------------------------------------------------------------------------
>
>                 Key: HBASE-13449
>                 URL: https://issues.apache.org/jira/browse/HBASE-13449
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Dev Lakhani
>
> In local-regionserver.sh there is a line which masks the current HBASE_REGIONSERVER_OPTS
> https://github.com/apache/hbase/blob/master/bin/local-regionservers.sh#L38
> # sanity check: make sure your regionserver opts don't use ports [i.e. JMX/DBG]
> export HBASE_REGIONSERVER_OPTS=" "
> We are having trouble with this because:
> 1) As per normal Hadoop convention env variables should be in hbase-env.sh, as with other daemons this is where we set jmx/jvm properties.
> 2) Whatever we set in hbase-env.sh gets masked by this line.
> Is there any reason this line is included in the runner and can it be moved to the env.sh file?



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