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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-353) Allow shuffle read and connection timeouts to be configurable
Date Wed, 08 Jul 2009 04:28:14 GMT

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

Ravi Gummadi updated MAPREDUCE-353:
-----------------------------------

    Attachment: MR-353.patch

Attaching patch that adds the config properties mapred.shuffle.connect.timeout and mapred.shuffle.read.timeout.
Please review and provide your comments.

> 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
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>         Attachments: MR-353.patch
>
>
> 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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