[jira] Commented: (HBASE-1461) region assignment can become stale and master doesnt fix it

["Andrew Purtell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714916#action_12714916 ] 

Andrew Purtell commented on HBASE-1461:
---------------------------------------

Enabling this is one reason why we put region information into HServerLoad

> region assignment can become stale and master doesnt fix it
> -----------------------------------------------------------
>
>                 Key: HBASE-1461
>                 URL: https://issues.apache.org/jira/browse/HBASE-1461
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: ryan rawson
>             Fix For: 0.20.0
>
>
> I have been playing with ZK recovery and other crash scenarios.  There is a very rare but potential bug where a region can be assigned to be open on an existing regionserver, but the regionserver itself doesn't have the region open.
> The HMaster should also check the opposite of what it does - make sure that regions assigned to server X are actually _open_ on that server.

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