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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3744) createTable blocks until all regions are out of transition
Date Wed, 27 Apr 2011 16:47:03 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13025887#comment-13025887
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Jean-Daniel Cryans commented on HBASE-3744:
-------------------------------------------

What's the purpose of the patch Ted? It should have been included in the previous commit?
If so, please open a new jira.

> createTable blocks until all regions are out of transition
> ----------------------------------------------------------
>
>                 Key: HBASE-3744
>                 URL: https://issues.apache.org/jira/browse/HBASE-3744
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.90.1
>            Reporter: Todd Lipcon
>            Assignee: Ted Yu
>            Priority: Critical
>             Fix For: 0.90.3
>
>         Attachments: 3744-addendum-for-TestAdmin.patch, 3744-addendum.txt, 3744-v2.txt,
3744-v3.txt, 3744.txt, create_big_tables.rb, create_big_tables.rb, create_big_tables.rb
>
>
> In HBASE-3305, the behavior of createTable was changed and introduced this bug: createTable
now blocks until all regions have been assigned, since it uses BulkStartupAssigner. BulkStartupAssigner.waitUntilDone
calls assignmentManager.waitUntilNoRegionsInTransition, which waits across all regions, not
just the regions of the table that has just been created.
> We saw an issue where one table had a region which was unable to be opened, so it was
stuck in RegionsInTransition permanently (every open was failing). Since this was the case,
waitUntilDone would always block indefinitely even though the newly created table had been
assigned.

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