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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6381) AssignmentManager should use the same logic for clean startup and failover
Date Wed, 18 Jul 2012 15:28:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13417168#comment-13417168
] 

stack commented on HBASE-6381:
------------------------------

bq. Now during rebuildUserRegions, the rs is online but gets no region assigned.

Is this so?  The restarted RS will have a different startcode/ServerName?

bq. I think we should check if a rs is online, and the regions are opened on the rs too.

Probably no harm.  What if a 1k cluster w/ each server carrying hundreds of regions.  What
you think?  It might take a little while doing this step.  Would that be a prob?
                
> AssignmentManager should use the same logic for clean startup and failover
> --------------------------------------------------------------------------
>
>                 Key: HBASE-6381
>                 URL: https://issues.apache.org/jira/browse/HBASE-6381
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>
> Currently AssignmentManager handles clean startup and failover very differently.
> Different logic is mingled together so it is hard to find out which is for which.
> We should clean it up and share the same logic so that AssignmentManager handles
> both cases the same way.  This way, the code will much easier to understand and
> maintain.

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