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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5833) 0.92 build has been failing pretty consistently on TestMasterFailover....
Date Fri, 20 Apr 2012 23:19:33 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13258662#comment-13258662

stack commented on HBASE-5833:

Looking at this more, it seems like the actual TMF tests run pretty fast but then the test
gets stuck a long time finishing up on the end... like 10x more time finishing than was spent
running the test.  This long cleanup seems to be our 'timeout'.  In TMF case, digging, there
are orphan logsyncer threads outstanding trying to sync a fileystem that has been since closed.
 This seems to be part of the issue (There are other orphan threads -- executors).  TMF does
HRegion.createRegions but it doesn't pass in a WAL to use in creation.   In this case, this
method makes an individual WAL for the create use.  In TMF, and in a bunch of other tests,
this hlog is never closed leaving logsyncer threads running (and some executors).  Will attach
a patch that goes through all tests and does close and cleanup of wals that use this special
createRegions method (there are a bunch).
> 0.92 build has been failing pretty consistently on TestMasterFailover....
> -------------------------------------------------------------------------
>                 Key: HBASE-5833
>                 URL: https://issues.apache.org/jira/browse/HBASE-5833
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.92.2
>         Attachments: 5833.txt
> Trunk seems fine but 0.92 fails on this test pretty regularly.  Running it local it seems
to hang for me.

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