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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13895) DATALOSS: Double-assignment ITBLL'ing
Date Wed, 17 Jun 2015 01:09:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14589124#comment-14589124
] 

Enis Soztutar commented on HBASE-13895:
---------------------------------------

bq. Feel free to take this issue Enis since you dumped in your sequel already. I'll go write
my novel in a new JIRA.
Ok. Sorry for the hijack. Thought that you may be seeing the same issue. 
bq. I think it has something to do w/ the fact that c2025 is carrying meta.... still digging.
Good luck!

For the patch, I realized that we should also handle RegionServerStoppedException as well
since while the region server is stopping, there is no guarantee that the region close have
happened. So, if a region move comes in, there is still a window that the region may be opened
on the other host before the region close is finished. 

I'll update the patch for handling the stopping case as well. I could not reproduce the UT
failures, but they seem related. Let me spend some more time. 

> DATALOSS: Double-assignment ITBLL'ing
> -------------------------------------
>
>                 Key: HBASE-13895
>                 URL: https://issues.apache.org/jira/browse/HBASE-13895
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>             Fix For: 1.2.0, 1.1.1
>
>         Attachments: hbase-13895_v1-branch-1.1.patch
>
>
> Opening a place holder till finish analysis.
> I have dataloss running ITBLL at 3B (testing HBASE-13877). Most obvious culprit is the
double-assignment that I can see.



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