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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5468) AM recovery does not work for map only jobs
Date Thu, 22 Aug 2013 01:26:52 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinod Kumar Vavilapalli updated MAPREDUCE-5468:
-----------------------------------------------

    Attachment: MAPREDUCE-5468-20130821.txt

Here's a simple patch fixing it.

The newly added test-case passes with the code fix and fails without.

Also did a single node test which illustrated that recovery of maps-only jobs resumes progress
now.
                
> AM recovery does not work for map only jobs
> -------------------------------------------
>
>                 Key: MAPREDUCE-5468
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5468
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: yeshavora
>            Assignee: Vinod Kumar Vavilapalli
>            Priority: Blocker
>         Attachments: MAPREDUCE-5468-20130821.txt
>
>
> Map only job (randomwriter, randomtextwriter) restarts from scratch [0% map 0% reduce]
after RM restart.
> It should resume from the last state when AM restarted.

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