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https://issues.apache.org/jira/browse/MAPREDUCE-3837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400918#comment-13400918
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Arun C Murthy commented on MAPREDUCE-3837:
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Mayank, as we briefly discussed you'll need to fix the re-submit to read
jobtokens from HDFS and pass them along (i.e. Credentials object) to the
submitJob api. Sorry, I've been traveling a lot and missed commenting here, my
bad.
Other nits:
# You've removed the call to JobClient.isJobDirValid which is dangerous. Since
the contents have changed in hadoop-1 post security, please add a private
isJobDirValid method to the JT and use it. This method should check for jobInfo
file on HDFS (JobTracker.JOB_INFO_FILE) and the jobTokens file
(TokenCache.JOB_TOKEN_HDFS_FILE).
# Also, since we only care about jobIds now for JT recovery, it's better to add
a Set<JobId> jobIdsToRecover rather than rely on Set<JobInfo> jobsToRecover.
This way we can avoid all the unnecessary translations b/w o.a.h.mapred.JobId
and o.a.h.mapreduce.JobId.
> 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-HADOOP-1-MAPREDUCE-3837-1.patch,
> PATCH-HADOOP-1-MAPREDUCE-3837-2.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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