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https://issues.apache.org/jira/browse/HBASE-5101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13177206#comment-13177206
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Jonathan Hsieh commented on HBASE-5101:
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@Ted
First cut -- simply some configured number of max regions. Maybe it would stop
splitting at a point where it can handle if some number of rs's going down and
its regions are reassigned.
There could possibly be a limit on tables as well -- and we could put cap on
the # of region servers/table and # of regions/region server.
> Add a max number of regions per regionserver limit
> --------------------------------------------------
>
> Key: HBASE-5101
> URL: https://issues.apache.org/jira/browse/HBASE-5101
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.92.0
> Reporter: Jonathan Hsieh
>
> In a testing environment, a cluster got to a state with more than 1500
> regions per region server, and essentially became stuck and unavailable. We
> could add a limit to the number of regions that a region server can serve to
> prevent this from happening. This looks like it could be implemented in the
> core or as a coprocessor.
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