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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1050) Do not count lost tasktracker against the job
Date Wed, 04 Apr 2007 20:58:32 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Arun C Murthy updated HADOOP-1050:

    Attachment: HADOOP-1050_20070405_1.patch

Here's a patch while I continue testing... appreciate any f/b.

This patch ensures that the framework distinguishes between 'failed' tasks and tasks 'killed'
because of framework errors (e.g lost task-trackers) and thus does not unfairly abort TIPs
and hence jobs due to no fault of their own.

> Do not count lost tasktracker against the job
> ---------------------------------------------
>                 Key: HADOOP-1050
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1050
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Arun C Murthy
>         Assigned To: Arun C Murthy
>         Attachments: HADOOP-1050_20070405_1.patch
> Equating a task failure to the one caused by a lost tasktracker is unfair on the job;
in extreme cases it leads to a job being killed since a TIP could fail.

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