[jira] [Resolved] (HBASE-14820) Region becomes unavailable after a region split is rolled back

["Clara Xiong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-14820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Clara Xiong resolved HBASE-14820.
---------------------------------
    Resolution: Invalid

I confirmed this bug was introduced by our own new features. I fixed in our own branch. It will be OK when we push upstream.

> Region becomes unavailable after a region split is rolled back
> --------------------------------------------------------------
>
>                 Key: HBASE-14820
>                 URL: https://issues.apache.org/jira/browse/HBASE-14820
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.98.15
>            Reporter: Clara Xiong
>         Attachments: HBASE-14820-RegionServer.log, HBASE-14820-testcase-0.98.patch, HBSE-14820-hmaster.log
>
>
> After the region server rolls back a timed out attempt of  region split, the region becomes unavailable. 
> Symptoms:
> The RS displays the region open in the web UI.
> The meta table still points to the RS
> Requests for the regions receive a NotServingRegionException. 
> hbck reports 0 inconsistencies. 
> Moving the region fails. 
> Restarting the region server fixes the problem.
> We have see multiple occurrences which require operation intervention.



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