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https://issues.apache.org/jira/browse/HBASE-12686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14246929#comment-14246929
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Andrew Purtell commented on HBASE-12686:
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The unit test (at least in the 0.98 patch) does not check for a fix for the
reported problem: "If there are any split failures then [...] block balancing
to happen forever until unless master is restarted"
Any chance the daughters may no longer be in transition at this point?:
{code}
1322 if
(regionStates.isRegionInTransition(hri_a.getEncodedName())) {
1323 regionOffline(hri_a);
1324 }
1325 if
(regionStates.isRegionInTransition(hri_b.getEncodedName())) {
1326 regionOffline(hri_b);
1327 }
{code}
> Failures in split before PONR not clearing the daughter regions from regions
> in transition during rollback
> ----------------------------------------------------------------------------------------------------------
>
> Key: HBASE-12686
> URL: https://issues.apache.org/jira/browse/HBASE-12686
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Affects Versions: 0.98.9
> Reporter: Rajeshbabu Chintaguntla
> Assignee: Vandana Ayyalasomayajula
> Priority: Blocker
> Fix For: 1.0.0, 0.98.9
>
> Attachments: HBASE-12686-98.patch, HBASE-12686-branch-1.patch
>
>
> If there are any split failures then the both daughter regions left in
> SPLITTING_NEW transition even after rollback, which will block balancing to
> happen forever until unless master is restarted.
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