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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1488) Remove all use of auto-progress threads in map/reduce
Date Wed, 13 Jun 2007 18:15:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12504359

Devaraj Das commented on HADOOP-1488:

I think the patch for HADOOP-1462 addresses this concern.

> Remove all use of auto-progress threads in map/reduce
> -----------------------------------------------------
>                 Key: HADOOP-1488
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1488
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Owen O'Malley
> During the last rework of the shuffle, a lot of the stages of the shuffle had auto-progress
threads added, leading to system lockups when the shuffle stalls. We need to add Progressables
to the sort and fetching interfaces so that if any task gets stuck, it will eventually be
killed by the framework.

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