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https://issues.apache.org/jira/browse/HBASE-25222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17777498#comment-17777498
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David Manning commented on HBASE-25222:
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{{hbase.master.auto.separate.child.regions.after.split.enabled }} is introduced
in HBASE-25518. It is {{false}} by default, but seems to solve the problem that
this issue is suggesting.
> Add a cost function to move the daughter regions of a recent split to
> different region servers
> -----------------------------------------------------------------------------------------------
>
> Key: HBASE-25222
> URL: https://issues.apache.org/jira/browse/HBASE-25222
> Project: HBase
> Issue Type: Improvement
> Reporter: Sandeep Pal
> Assignee: Sandeep Pal
> Priority: Major
>
> In HBase, hotspot regions are easily formed whenever there is skew and there
> is high write volume. Few regions grow really fast which also becomes the
> bottleneck on the few region servers.
> It would be beneficial to add a cost function to move the regions after the
> split to differetn region servers. In this way the writes to hot key range
> will be distributed to multiple region servers.
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