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https://issues.apache.org/jira/browse/HBASE-20741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16602627#comment-16602627
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ramkrishna.s.vasudevan commented on HBASE-20741:
------------------------------------------------
The push I had to do as 2 commits because in the first commit only the test
case went in. I think in the command line I missed some arg.
> Split of a region with replicas creates all daughter regions and its replica
> in same server
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-20741
> URL: https://issues.apache.org/jira/browse/HBASE-20741
> Project: HBase
> Issue Type: Bug
> Components: read replicas
> Affects Versions: 3.0.0, 2.0.0
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Major
> Fix For: 3.0.0, 2.2.0
>
> Attachments: HBASE-20741.patch, HBASE-20741_1.patch,
> HBASE-20741_2.patch, HBASE-20741_2.patch, HBASE-20741_3.patch,
> HBASE-20741_4.patch, HBASE-20741_5.patch, HBASE-20741_5.patch
>
>
> Generally it is better that the parent region when split creates the daughter
> region in the same target server.
> But for replicas also we do the same and all the replica regions are created
> in the same target server. We should ideally be doing a round robin and only
> the primary daughter region should be opened in the intended target server
> (where the parent was previously opened).
> [~huaxiang] FYI.
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