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Posted to common-dev@hadoop.apache.org by "Sameer Paranjpye (JIRA)" <ji...@apache.org> on 2006/05/01 22:26:49 UTC

[jira] Updated: (HADOOP-182) lost task trackers should not update status of completed jobs

     [ http://issues.apache.org/jira/browse/HADOOP-182?page=all ]

Sameer Paranjpye updated HADOOP-182:
------------------------------------

    Fix Version: 0.3

> lost task trackers should not update status of completed jobs
> -------------------------------------------------------------
>
>          Key: HADOOP-182
>          URL: http://issues.apache.org/jira/browse/HADOOP-182
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Versions: 0.1.1
>     Reporter: Owen O'Malley
>     Assignee: Owen O'Malley
>     Priority: Minor
>      Fix For: 0.3

>
> When a Task Tracker is lost (by not sending a heartbeat for 10 minutes), the JobTracker marks the tasks that were active on that node as failed. There are two issues:
>    1. No task from a completed or failed job should be modified.
>    2. No reduces should be marked as failed, since their output is in dfs and therefore not only on the dead node.

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