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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1457) Taking down ROOT/META regionserver can result in cluster becoming in-operational
Date Sat, 30 May 2009 13:36:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714713#action_12714713
] 

stack commented on HBASE-1457:
------------------------------

This last patch seems to work great but the only odd thing is that it always reassigns -ROOT-
and .META.   I flush -ROOT- region then I kill -9 the -ROOT- server.  I see the logs being
split and then -ROOT- assigned.  I see the regionserver opening -ROOT- AND applying edits
but then when -ROOT- scanner runs, it says server and startcode are empty and things .META.
assignment invalid.

I'm looking into the above some.

> Taking down ROOT/META regionserver can result in cluster becoming in-operational
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-1457
>                 URL: https://issues.apache.org/jira/browse/HBASE-1457
>             Project: Hadoop HBase
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: ryan rawson
>            Assignee: ryan rawson
>             Fix For: 0.20.0
>
>         Attachments: HBASE-1457-v2.patch, HBASE-1457-v3.patch, HBASE-1457.patch
>
>
> Take down a regionserver via controlled or uncontrolled shutdown, the master doesn't
properly reassign the root/meta regions. 

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