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https://issues.apache.org/jira/browse/HBASE-20651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16531748#comment-16531748
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huaxiang sun commented on HBASE-20651:
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Thanks [~mdrob]. A unittest probably will be flakey. User runs hbck fix along
with master in parallel (by accident), this check is try to minimize the window
that hbck could mess up with states, it is not a complete fix.
> Master, prevents hbck or shell command to reassign the split parent region
> --------------------------------------------------------------------------
>
> Key: HBASE-20651
> URL: https://issues.apache.org/jira/browse/HBASE-20651
> Project: HBase
> Issue Type: Improvement
> Components: master
> Affects Versions: 1.2.6
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Priority: Minor
> Attachments: HBASE-20651-branch-1-v001.patch
>
>
> We are seeing that hbck brings back split parent region and this causes
> region inconsistency. More details will be filled as reproduce is still
> ongoing. Might need to do something at hbck or master to prevent this from
> happening.
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