[jira] Work started: (HBASE-3422) Balancer will willing try to rebalance thousands of regions in one go; needs an upper bound added.

["Ted Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-3422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HBASE-3422 started by Ted Yu.

> Balancer will willing try to rebalance thousands of regions in one go; needs an upper bound added.
> --------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-3422
>                 URL: https://issues.apache.org/jira/browse/HBASE-3422
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.90.0
>            Reporter: stack
>            Assignee: Ted Yu
>         Attachments: hbase-3422.txt
>
>
> See HBASE-3420.  Therein, a wonky cluster had 5k regions on one server and < 1k on others.  Balancer ran and wanted to redistribute 3k+ all in one go.  Madness.
> If a load of rebalancing to be done, should be done somewhat piecemeal.  We need maximum regions to rebalance at a time upper bound at a minimum.

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