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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1304) MAX_TASK_FAILURES should be configurable
Date Wed, 02 May 2007 11:58:15 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das updated HADOOP-1304:
--------------------------------

    Status: Patch Available  (was: Open)

> MAX_TASK_FAILURES should be configurable
> ----------------------------------------
>
>                 Key: HADOOP-1304
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1304
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.12.3
>            Reporter: Christian Kunz
>         Assigned To: Devaraj Das
>         Attachments: 1304.patch, 1304.patch, 1304.patch, 1304.patch
>
>
> After a couple of weeks of failed attempts I was able to finish a large job only after
I changed MAX_TASK_FAILURES to a higher value. In light of HADOOP-1144 (allowing a certain
amount of task failures without failing the job) it would be even better if this value could
be configured separately for mappers and reducers, because often a success of a job requires
the success of all reducers but not of all mappers.

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