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Date: Mon, 28 Nov 2016 15:30:58 +0000 (UTC)
From: "Dave Latham (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12768838.1421799503000.378457.1480347058821@Atlassian.JIRA>
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Subject: [jira] [Commented] (HBASE-12890) Provide a way to throttle the
 number of regions moved by the balancer
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archived-at: Mon, 28 Nov 2016 15:31:00 -0000


    [ https://issues.apache.org/jira/browse/HBASE-12890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15702228#comment-15702228 ] 

Dave Latham commented on HBASE-12890:
-------------------------------------

Watchers may be interested in a new attempt at HBASE-17178

> Provide a way to throttle the number of regions moved by the balancer
> ---------------------------------------------------------------------
>
>                 Key: HBASE-12890
>                 URL: https://issues.apache.org/jira/browse/HBASE-12890
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.98.10
>            Reporter: churro morales
>            Assignee: churro morales
>         Attachments: HBASE-12890.patch
>
>
> We have a very large cluster and we frequently add remove quite a few regionservers from our cluster.  Whenever we do this the balancer moves thousands of regions at once.  Instead we provide a configuration parameter: hbase.balancer.max.regions.  This limits the number of regions that are balanced per iteration.  


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