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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2452) Delegation token cancellation shouldn't hold global JobTracker lock
Date Tue, 05 Jun 2012 13:55:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289430#comment-13289430
] 

Hudson commented on MAPREDUCE-2452:
-----------------------------------

Integrated in Hadoop-Mapreduce-22-branch #104 (See [https://builds.apache.org/job/Hadoop-Mapreduce-22-branch/104/])
    MAPREDUCE-2452. Moves the cancellation of delegation tokens to a separate thread. Contributed
by Devaraj Das and Benoy Antony. (Revision 1346235)

     Result = SUCCESS
shv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1346235
Files : 
* /hadoop/common/branches/branch-0.22/mapreduce/CHANGES.txt
* /hadoop/common/branches/branch-0.22/mapreduce/src/java/org/apache/hadoop/mapreduce/security/token/DelegationTokenRenewal.java
* /hadoop/common/branches/branch-0.22/mapreduce/src/test/findbugsExcludeFile.xml

                
> Delegation token cancellation shouldn't hold global JobTracker lock
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2452
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2452
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.22.0
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.22.1
>
>         Attachments: cancel-delegation-token-fix-trunk.patch, cancel-delegation-token-fix-trunk.patch,
cancel-delegation-token-fix.patch, cancel-delegation-token-fix.patch, cancel-delegation-token-fix.patch
>
>
> Currently, when the JobTracker cancels a job's delegation token (at the end of the job),
it holds the global lock. This is not desired.

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