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From "Mayank Bansal (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 Thu, 09 Feb 2012 22:12:57 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204944#comment-13204944
] 

Mayank Bansal commented on MAPREDUCE-3837:
------------------------------------------

PATCH-MAPREDUCE-3837.patch

this one is for 22 branch. Please review that. Shortly I will be putting the same for trunk
as well.

Thanks,
Mayank

                
> 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
>         Attachments: PATCH-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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