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https://issues.apache.org/jira/browse/HBASE-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12861110#action_12861110
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stack commented on HBASE-2482:
------------------------------
Interesting bringing the split lock local to master. Makes sense (especially
since not used in RegionManager at all!)
For this:
{code}
+ // TODO Why do we do this now instead of at processing time?
closeMetaRegions();
{code}
... looking at it, I can only think that removing -ROOT- and .META. from online
status holds up other status transitions. This change was added by hbase-1457.
Let me see if I can make a test for this.
> 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
> Fix For: 0.20.5, 0.21.0
>
> Attachments: hbase-2482.txt
>
>
> 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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