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Posted to mapreduce-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2012/07/11 15:54:35 UTC
[jira] [Commented] (MAPREDUCE-3837) Job tracker is not able to
recover job in case of crash and after that no user can submit job.
[ https://issues.apache.org/jira/browse/MAPREDUCE-3837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411512#comment-13411512 ]
Arun C Murthy commented on MAPREDUCE-3837:
------------------------------------------
bq. Looks like this needs a minor update to get it to work on Mac OSX...
Could be any single-node cluster too...
> 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: New Feature
> Affects Versions: 0.22.0, 1.1.1
> Reporter: Mayank Bansal
> Assignee: Mayank Bansal
> Fix For: 1.2.0, 0.22.1
>
> Attachments: MAPREDUCE-3837_addendum.patch, PATCH-HADOOP-1-MAPREDUCE-3837-1.patch, PATCH-HADOOP-1-MAPREDUCE-3837-2.patch, PATCH-HADOOP-1-MAPREDUCE-3837-3.patch, PATCH-HADOOP-1-MAPREDUCE-3837-4.patch, PATCH-HADOOP-1-MAPREDUCE-3837.patch, 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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