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Posted to common-dev@hadoop.apache.org by "Hemanth Yamijala (JIRA)" <ji...@apache.org> on 2009/02/20 16:24:02 UTC

[jira] Resolved: (HADOOP-5282) Running tasks on lost trackers are incorrectly logging the attempt and task failures

     [ https://issues.apache.org/jira/browse/HADOOP-5282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hemanth Yamijala resolved HADOOP-5282.
--------------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

I committed this to trunk and branch-0.20. Thanks, Amar !

> Running tasks on lost trackers are incorrectly logging the attempt and task failures
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5282
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5282
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Amar Kamat
>            Assignee: Amar Kamat
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: HADOOP-5282-v1.0.patch, HADOOP-5282-v1.1.patch, HADOOP-5282-v1.2.patch
>
>
> If a running attempt is lost on a tracker, a attempt-level cleanup with the same attempt-id is launched for it. In such cases the events are not logged correctly and instead of logging
> {code}
> Task Reduce Start
> Attempt Reduce Start
> Attempt Reduce Killed 
> Task reduce Killed
> {code}
> it logs
> {code}
> Task Reduce Start
> Task Reduce Failed
> Attempt Reduce Start
> Attempt Reduce Killed 
> {code}

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