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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2007/10/02 16:35:50 UTC

[jira] Updated: (HADOOP-1862) reduces are getting stuck trying to find map outputs

     [ https://issues.apache.org/jira/browse/HADOOP-1862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated HADOOP-1862:
----------------------------------

    Status: Open  (was: Patch Available)

> reduces are getting stuck trying to find map outputs
> ----------------------------------------------------
>
>                 Key: HADOOP-1862
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1862
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.14.1, 0.14.0, 0.13.1, 0.13.0
>            Reporter: Owen O'Malley
>            Assignee: Arun C Murthy
>            Priority: Blocker
>             Fix For: 0.14.2
>
>         Attachments: HADOOP-1862_1_20070912.patch, HADOOP-1862_2_20070927.patch, HADOOP-1862_debug.patch, HADOOP-1862_prelim.patch
>
>
> Some of the reduces have been stuck for hours looking for 137 map outputs. When I look at the job events all 2600 of the maps have succeeded. There have been lots of lost task trackers and shuffle failures. The maps have been run between 1 to 6 times each. I do see some of the events in the task event log are marked OBSOLETE.

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