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https://issues.apache.org/jira/browse/HBASE-9464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762642#comment-13762642
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Feng Honghua commented on HBASE-9464:
-------------------------------------
>From the perspective of user who issues the region-move request, the region is
>moved to a different RS from the one he specified and the destination RS he
>specifies is healthy.
The root cause is the RegionPlan containing the destination RS info is just
kept in master's memory without persistence, so the new active master doesn't
know this info when take over the active master role.
> master failure during region-move can result in the region moved to a
> different RS rather than the destination one user specified
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-9464
> URL: https://issues.apache.org/jira/browse/HBASE-9464
> Project: HBase
> Issue Type: Bug
> Components: master
> Reporter: Feng Honghua
> Priority: Minor
>
> 1. user issues region-move by specifying a destination RS
> 2. master finishes offlining the region
> 3. master fails before assigning it the the specified destination RS
> 4. new master assigns the region to a random RS since it doesn't have
> destination RS info
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