[jira] [Updated] (MAPREDUCE-4603) Allow JobClient to retry job-submission when JT is in safemode

["Arun C Murthy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4603?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated MAPREDUCE-4603:
-------------------------------------

    Attachment: MAPREDUCE-4603.patch

Straight-fwd patch after HADOOP-8748 - all I had to do was throw a new SafeModeException from JobTracker and let ipc retry deal with it.
                
> Allow JobClient to retry job-submission when JT is in safemode
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-4603
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4603
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>         Attachments: MAPREDUCE-4603.patch
>
>
> Similar to HDFS-3504, it would be useful to allow JobClient to retry job-submission when JT is in safemode (via MAPREDUCE-4328).
> This way applications like Pig/Hive don't bork midway when the NN/JT are not operational.

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