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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6160) META entries from daughters can be deleted before parent entries
Date Mon, 04 Jun 2012 20:28:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288875#comment-13288875
] 

Enis Soztutar commented on HBASE-6160:
--------------------------------------

One option for a fix is to ensure that META entry for the parent region is deleted before
deleting the META entry, and do the META entry deletion recursively.
                
> META entries from daughters can be deleted before parent entries
> ----------------------------------------------------------------
>
>                 Key: HBASE-6160
>                 URL: https://issues.apache.org/jira/browse/HBASE-6160
>             Project: HBase
>          Issue Type: Bug
>          Components: client, regionserver
>    Affects Versions: 0.92.2, 0.94.0, 0.96.0
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>
> HBASE-5986 fixed and issue, where the client sees the META entry for the parent, but
not the children. However, after the fix, we have seen the following issue in tests: 
> Region A is split to -> B, C
> Region B is split to -> D, E
> After some time, META entry for B is deleted since it is not needed anymore, but META
entry for Region A stays in META (C still refers it). In this case, the client throws RegionOfflineException
for B. 

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