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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5881) Simplify configuration related to task-memory-monitoring and memory-based scheduling
Date Tue, 26 May 2009 12:47:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12712991#action_12712991
] 

Vinod K V commented on HADOOP-5881:
-----------------------------------

The uploaded patch (for trunk) passed ant test-patch, run-mapred-tests and test-contrib, leaving
aside the usual suspects for failure - TestReduceFetch, TestStreamingBadRecords, TestStreamingExitStatus,
TestQueueCapacities and TestJobHistory(which succeeds on a clean workspace but not when run
along with all the other tests).

> Simplify configuration related to task-memory-monitoring and memory-based scheduling
> ------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5881
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5881
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Vinod K V
>         Attachments: HADOOP-5881-20090526.1.txt
>
>
> The configuration we have now is pretty complicated. Besides everything else, the mechanism
of not specifying parameters separately for maps and reduces leads to problems like HADOOP-5811.
This JIRA should address simplifying things and at the same time solving these problems.

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