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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4595) TestLostTracker failing - possibly due to a race in JobHistory.JobHistoryFilesManager#run()
Date Mon, 27 Aug 2012 22:40:07 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alejandro Abdelnur updated MAPREDUCE-4595:

       Resolution: Fixed
    Fix Version/s: 1.2.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Thanks Karthik. Committed to branch-1.
> TestLostTracker failing - possibly due to a race in JobHistory.JobHistoryFilesManager#run()
> -------------------------------------------------------------------------------------------
>                 Key: MAPREDUCE-4595
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4595
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 1.0.3
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>            Priority: Critical
>              Labels: test
>             Fix For: 1.2.0
>         Attachments: force-TestLostTracker-failure.patch, MR-4595.patch, MR-4595.patch
> The source for occasional failure of TestLostTracker seems like the following:
> On job completion, JobHistoryFilesManager#run() spawns another thread to move history
files to done folder. TestLostTracker waits for job completion, before checking the file format
of the history file. However, the history files move might be in the process or might not
have started in the first place.
> The attachment (force-TestLostTracker-failure.patch) helps reproducing the error locally,
by increasing the chance of hitting this race.

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