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From "Sameer Paranjpye (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-195) transfer map output transfer with http instead of rpc
Date Wed, 24 May 2006 20:30:30 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-195?page=comments#action_12413173 ] 

Sameer Paranjpye commented on HADOOP-195:
-----------------------------------------

Talked to Owen. The agreement is that you should go ahead and commit this and we'll have it
cleaned up in a subsequent patch.

> transfer map output transfer with http instead of rpc
> -----------------------------------------------------
>
>          Key: HADOOP-195
>          URL: http://issues.apache.org/jira/browse/HADOOP-195
>      Project: Hadoop
>         Type: Improvement

>   Components: mapred
>     Versions: 0.2
>     Reporter: Owen O'Malley
>     Assignee: Owen O'Malley
>      Fix For: 0.3
>  Attachments: MapFileSimulator.java, data-transfer-chart.pdf, mapfilesimulator-big.txt,
mapfilesimulator-sort2.txt, netstat.log, netstat.xls, parallel-copiers.txt
>
> The data transfer of the map output should be transfered via http instead rpc, because
rpc is very slow for this application and the timeout behavior is suboptimal. (server sends
data and client ignores it because it took more than 10 seconds to be received.)

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