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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2482) regions in transition do not get reassigned by master when RS crashes
Date Fri, 23 Apr 2010 15:18:51 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-2482:
-------------------------

    Priority: Blocker  (was: Critical)

Making a blocker.  Drops a region.

> regions in transition do not get reassigned by master when RS crashes
> ---------------------------------------------------------------------
>
>                 Key: HBASE-2482
>                 URL: https://issues.apache.org/jira/browse/HBASE-2482
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.20.5
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>
> Very similar to HBASE-1928, but for the general case (not just ROOT/META):
> If a region is in transition on a RS when the RS crashes, the master does not remove
it from regionsInTransition when processing the RS shutdown. This is fairly easy to trigger
by bringing up a RS and kill -9ing it just as it starts to get regions assigned. Those regions
will get permanently lost since they're stuck in regionsInTransition and thus don't get assigned
by the metascanner.

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