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From "Sharad Agarwal (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAPREDUCE-284) Improvements to RPC between Child and TaskTracker
Date Tue, 15 Sep 2009 10:15:58 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sharad Agarwal resolved MAPREDUCE-284.
--------------------------------------

      Resolution: Fixed
    Hadoop Flags: [Reviewed]

I just committed this. Thanks Ravi!

> Improvements to RPC between Child and TaskTracker
> -------------------------------------------------
>
>                 Key: MAPREDUCE-284
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-284
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Arun C Murthy
>            Assignee: Ravi Gummadi
>             Fix For: 0.21.0
>
>         Attachments: MR-284.patch, MR-284.v1.patch, MR-284.v2.patch
>
>
> We could improve the RPC between the Child and TaskTracker:
>    * Set ping interval lower by default to 5s
>    * Disable nagle's algorithm (tcp no-delay)

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