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From "Jothi Padmanabhan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-284) Improvements to RPC between Child and TaskTracker
Date Tue, 15 Sep 2009 10:05:57 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12755437#action_12755437
] 

Jothi Padmanabhan commented on MAPREDUCE-284:
---------------------------------------------

+1. 

> 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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