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From "Jean-Marc Spaggiari (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8803) region_mover.rb should move multiple regions at a time
Date Wed, 26 Feb 2014 13:47:19 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Marc Spaggiari updated HBASE-8803:
---------------------------------------

    Status: Patch Available  (was: Open)

I see. Thanks again for looking at it.

Modified accordingly

{quote}
Might have to check for an empty HBASE_CONF_DIR
{quote}

rolling_restart calls hbase-config.sh at the beginning, and from hbase-config.sh we have
{code}
HBASE_CONF_DIR="${HBASE_CONF_DIR:-$HBASE_HOME/conf}"
{code}

And HBASE_HOME can not be empty since few lines before we have this:
{code}
if [ -z "$HBASE_HOME" ]; then
  export HBASE_HOME=`dirname "$this"`/..
fi
{code}

So I don't think we need to add any test since HBASE_CONF_DIR can not be empty.

> region_mover.rb should move multiple regions at a time
> ------------------------------------------------------
>
>                 Key: HBASE-8803
>                 URL: https://issues.apache.org/jira/browse/HBASE-8803
>             Project: HBase
>          Issue Type: Bug
>          Components: Usability
>    Affects Versions: 0.96.1.1, 0.94.16, 0.98.1
>            Reporter: Jean-Marc Spaggiari
>            Assignee: Jean-Marc Spaggiari
>         Attachments: 8803v5.txt, HBASE-8803-v0-trunk.patch, HBASE-8803-v1-0.94.patch,
HBASE-8803-v1-trunk.patch, HBASE-8803-v2-0.94.patch, HBASE-8803-v2-0.94.patch, HBASE-8803-v3-0.94.patch,
HBASE-8803-v4-0.94.patch, HBASE-8803-v4-trunk.patch, HBASE-8803-v5-0.94.patch, HBASE-8803-v6-0.94.patch,
HBASE-8803-v6-trunk.patch, HBASE-8803-v7-trunk.patch, HBASE-8803-v9-trunk.patch
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> When there is many regions in a cluster, rolling_restart can take hours because region_mover
is moving the regions one by one.



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