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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3759) Provide ability to run memory intensive jobs without affecting other running tasks on the nodes
Date Sun, 24 Aug 2008 08:01:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12625141#action_12625141
] 

Hemanth Yamijala commented on HADOOP-3759:
------------------------------------------

-1 on javadoc is due to HADOOP-3964
-1 on core tests is due to HADOOP-3950
I can't figure out why there's a -1 on the contrib tests, no tests appear to have failed.
And I can't see anything from the console log as well. I notice that many tests which ran
on Hudson have also got a -1 on contrib. Therefore, I suspect it is unlikely to be caused
by this patch.

> Provide ability to run memory intensive jobs without affecting other running tasks on
the nodes
> -----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3759
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3759
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>             Fix For: 0.19.0
>
>         Attachments: HADOOP-3759.patch, HADOOP-3759.patch, HADOOP-3759.patch, HADOOP-3759.patch,
HADOOP-3759.patch, HADOOP-3759.patch, HADOOP-3759.patch, HADOOP-3759.patch
>
>
> In HADOOP-3581, we are discussing how to prevent memory intensive tasks from affecting
Hadoop daemons and other tasks running on a node. A related requirement is that users be provided
an ability to run jobs which are memory intensive. The system must provide enough knobs to
allow such jobs to be run while still maintaining the requirements of HADOOP-3581.

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