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From "Liyin Liang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2207) Task-cleanup task should not be scheduled on the node that the task just failed
Date Mon, 13 Dec 2010 06:28:02 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12970709#action_12970709
] 

Liyin Liang commented on MAPREDUCE-2207:
----------------------------------------

Hi Scott,
    Our product cluster met a similar problem about job setup-task. We let TT don't ask for
new task when report a failed job setup/cleanup task in heartbeat to fix this issue. I'll
attach our patch based on 0.19.1.

> Task-cleanup task should not be scheduled on the node that the task just failed
> -------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2207
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2207
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>    Affects Versions: 0.23.0
>            Reporter: Scott Chen
>             Fix For: 0.23.0
>
>
> Currently the task-cleanup task always go to the same node that the task just failed.
> There is a higher chance that it hits a bad node. This should be changed.

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