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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5596) Allow configuring the number of threads used to serve shuffle connections
Date Sat, 26 Oct 2013 01:22:30 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza updated MAPREDUCE-5596:
----------------------------------

    Status: Patch Available  (was: Open)

> Allow configuring the number of threads used to serve shuffle connections
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5596
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5596
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 2.2.0
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-5596.patch
>
>
> MR1 had mapreduce.tasktracker.http.threads.  MR2 always uses the Netty default 2 * Runtime.availableProcessors().
 We should make this configurable.



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