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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3837) Hadoop 22 Job tracker is not able to recover job in case of crash and after that no user can submit job.
Date Tue, 14 Feb 2012 01:15:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13207429#comment-13207429
] 

Hudson commented on MAPREDUCE-3837:
-----------------------------------

Integrated in Hadoop-Mapreduce-22-branch #100 (See [https://builds.apache.org/job/Hadoop-Mapreduce-22-branch/100/])
    MAPREDUCE-3837. Job tracker is not able to recover jobs after crash. Contributed by Mayank
Bansal. (Revision 1243700)

     Result = SUCCESS
shv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1243700
Files : 
* /hadoop/common/branches/branch-0.22/mapreduce/CHANGES.txt
* /hadoop/common/branches/branch-0.22/mapreduce/src/java/org/apache/hadoop/mapred/JobTracker.java

                
> Hadoop 22 Job tracker is not able to recover job in case of crash and after that no user
can submit job.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3837
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3837
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Mayank Bansal
>            Assignee: Mayank Bansal
>             Fix For: 0.24.0, 0.22.1, 0.23.2
>
>         Attachments: PATCH-MAPREDUCE-3837.patch, PATCH-TRUNK-MAPREDUCE-3837.patch
>
>
> If job tracker is crashed while running , and there were some jobs are running , so if
job tracker's property mapreduce.jobtracker.restart.recover is true then it should recover
the job.
> However the current behavior is as follows
> jobtracker try to restore the jobs but it can not . And after that jobtracker closes
its handle to hdfs and nobody else can submit job. 
> Thanks,
> Mayank

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