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Date: Tue, 13 Aug 2013 16:33:51 +0000 (UTC)
From: "Jimmy Xiang (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12663415.1376399101727.56360.1376411631290@arcas>
In-Reply-To: <JIRA.12663415.1376399101727@arcas>
References: <JIRA.12663415.1376399101727@arcas>
Subject: [jira] [Commented] (HBASE-9204) An Offline SplitParent Region can
 be assigned breaking split references
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    [ https://issues.apache.org/jira/browse/HBASE-9204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13738457#comment-13738457 ] 

Jimmy Xiang commented on HBASE-9204:
------------------------------------

bq. So on seeing that the region is offline and split we will set the state to SPLIT for such regions?
Yes. So it is about the same as we did in HBASE-9052.
                
> An Offline SplitParent Region can be assigned breaking split references
> -----------------------------------------------------------------------
>
>                 Key: HBASE-9204
>                 URL: https://issues.apache.org/jira/browse/HBASE-9204
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment
>    Affects Versions: 0.98.0, 0.95.1, 0.94.10
>            Reporter: Matteo Bertozzi
>            Priority: Blocker
>         Attachments: HBASE-9294-0.94-v0.patch
>
>
> An offline split parent region can be assigned by using 'assign' from shell.
> This may trigger a compaction on the split parent region that should be offline, breaking the references of the two daughters.
> The easy way to test this is:
>  * disable compactions
>  * create a table and insert some row
>  * split
>  * shutdown the master (otherwise there's a state checked inside the AssignmentManager)
>  * start the master
>  * assign the region marked as OFFLINE => true, SPLIT => true (the compaction on region startup will probably break the reference of the two  daughters)

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