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https://issues.apache.org/jira/browse/HBASE-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jimmy Xiang updated HBASE-8797:
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Status: Patch Available (was: Open)
In the attached patch, a new state MERGING is adding. When two regions are
merging to a new one, both existing regions are moved to MERGING state so that
they won't be moved by mistake.
> Prevent merging regions from moving during online merge
> -------------------------------------------------------
>
> Key: HBASE-8797
> URL: https://issues.apache.org/jira/browse/HBASE-8797
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Attachments: trunk-8797.patch
>
>
> When two regions are merged online, they are closed but master doesn't know
> they should stay closed during the merge. If master moves them by mistake,
> for example, load balancer kicks in, the merge could be messed up.
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