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https://issues.apache.org/jira/browse/HBASE-11991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14136123#comment-14136123
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stack commented on HBASE-11991:
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nit: Declare and assign in the one step instead of in two as you have it here:
+ oldAssignments = new HashMap<String, ServerName>();
Can you say more about what this old state is helping with? I think I get it
and the patch looks good but a sentence or two would make me more confident I
understand what is going on when I +1
> Region states may be out of sync
> --------------------------------
>
> Key: HBASE-11991
> URL: https://issues.apache.org/jira/browse/HBASE-11991
> Project: HBase
> Issue Type: Bug
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Attachments: hbase-11991.patch
>
>
> Region states could be out of sync under a rare scenario. The regions hosted
> by a server could be wrong.
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