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From "Jothi Padmanabhan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-353) Allow shuffle read and connection timeouts to be configurable
Date Thu, 10 Dec 2009 04:09:18 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jothi Padmanabhan updated MAPREDUCE-353:

    Attachment: patch-353-ydist.txt

Patch looks good. However, I went ahead and made a very minor editorial change to it.

> Allow shuffle read and connection timeouts to be configurable
> -------------------------------------------------------------
>                 Key: MAPREDUCE-353
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-353
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.21.0
>            Reporter: Arun C Murthy
>            Assignee: Ravi Gummadi
>             Fix For: 0.21.0
>         Attachments: MR-353.patch, MR-353.v1.patch, patch-353-ydist.txt, patch-353-ydist.txt
> It would be good for latency-sensitive applications to tune the shuffle read/connection
timeouts... in fact this made a huge difference to terasort since we were seeing individual
shuffles stuck for upwards of 60s and had to have a very small read timeout.

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