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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1457) Counters for monitoring task assignments
Date Mon, 11 Jun 2007 07:35:26 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun C Murthy updated HADOOP-1457:
----------------------------------

    Status: Patch Available  (was: Open)

Thanks for the review Devaraj; the whitespaces changes are deliberate and make the code easier
to read... should have brought it to attention first-time around of course! :)

> Counters for monitoring task assignments
> ----------------------------------------
>
>                 Key: HADOOP-1457
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1457
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.12.3
>            Reporter: Devaraj Das
>            Assignee: Arun C Murthy
>            Priority: Minor
>             Fix For: 0.14.0
>
>         Attachments: HADOOP-1457_1_20070604.patch
>
>
> For performance reasons, it would be nice to monitor the task assignments to nodes. This
is especially true for maps where we want to maximize data-locality-based assignments. Counters
could be introduced for that.

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