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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4246) Reduce task copy errors may not kill it eventually
Date Fri, 03 Oct 2008 15:12:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated HADOOP-4246:
----------------------------------

    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

I just committed this. Thanks, Amareshwari!

> Reduce task copy errors may not kill it eventually
> --------------------------------------------------
>
>                 Key: HADOOP-4246
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4246
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.19.0
>
>         Attachments: patch-4246.txt, patch-4246.txt, patch-4246.txt, patch-4246.txt
>
>
> maxFetchRetriesPerMap in reduce task can be zero some times (when maxMapRunTime is less
than 4 seconds or mapred.reduce.copy.backoff is less than 4). This will not count reduce task
copy errors to kill it eventually.

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