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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2789) Propagate HBase config from Master to region servers
Date Fri, 25 Jun 2010 05:41:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12882453#action_12882453
] 

stack commented on HBASE-2789:
------------------------------

What hadoop mechanism does this Ted?  Is it this mechanism in the hadoop-daemons.sh script
that you are referring to:

{code}
    if [ "$HADOOP_MASTER" != "" ]; then
      echo rsync from $HADOOP_MASTER
      rsync -a -e ssh --delete --exclude=.svn --exclude='logs/*' --exclude='contrib/hod/logs/*'
$HADOOP_MASTER/ "$HADOOP_HOME"
    fi
{code}

We should add this to the hbase scripts?

> Propagate HBase config from Master to region servers
> ----------------------------------------------------
>
>                 Key: HBASE-2789
>                 URL: https://issues.apache.org/jira/browse/HBASE-2789
>             Project: HBase
>          Issue Type: Improvement
>          Components: master
>    Affects Versions: 0.20.3
>            Reporter: Ted Yu
>
> If HBase config is modified when HBase cluster is running, the changes wouldn't propagate
to region servers after restarting cluster.
> This is different from hadoop behavior where changes get automatically copied to data
nodes.
> This feature is desirable when enabling JMX, e.g.

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