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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7390) Add extra test cases for assignement on the region server and fix the related issues
Date Wed, 19 Dec 2012 22:09:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13536469#comment-13536469
] 

stack commented on HBASE-7390:
------------------------------

[~nkeywal] I follow you now.  Yes, we can miss events and yes the master deals (and yes no
harm in improving doc).

IIRC (I believe I added SPLIT), we tickle in case the transition to SPLIT from SPLITTING is
missed by the master.  We keep tickling till master acknowledges the SPLIT message (by removing
SPLIT znode -- haven't looked at code).
                
> Add extra test cases for assignement on the region server and fix the related issues
> ------------------------------------------------------------------------------------
>
>                 Key: HBASE-7390
>                 URL: https://issues.apache.org/jira/browse/HBASE-7390
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment, regionserver
>    Affects Versions: 0.96.0
>            Reporter: nkeywal
>            Assignee: nkeywal
>             Fix For: 0.96.0
>
>         Attachments: 7390.v1.patch, 7390.v2.patch, 7390.v3.patch, assignment_zk_states.jpg
>
>
> We don't have a lot of tests on the region server itself.
> Here are some.
> Some of them are failing, feedback welcome.
> See as well the attached state diagram for the ZK nodes on assignment.

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