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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1862) reduces are getting stuck trying to find map outputs
Date Tue, 02 Oct 2007 22:58:52 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12531949
] 

Hudson commented on HADOOP-1862:
--------------------------------

Integrated in Hadoop-Nightly #258 (See [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/258/])

> 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: 0.13.0, 0.13.1, 0.14.0, 0.14.1
>            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_3_20071002.patch,
HADOOP-1862_branch14_1_20071003.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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