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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HADOOP-205) the job tracker does not schedule enough map on the cluster
Date Mon, 05 Jun 2006 23:08:47 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-205?page=all ]
     
Doug Cutting closed HADOOP-205:
-------------------------------


> the job tracker does not schedule enough map on the cluster
> -----------------------------------------------------------
>
>          Key: HADOOP-205
>          URL: http://issues.apache.org/jira/browse/HADOOP-205
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Versions: 0.2
>     Reporter: Owen O'Malley
>     Assignee: Mahadev konar
>      Fix For: 0.3.0
>  Attachments: maplaunch.patch
>
> The job tracker during my big sort runs only has 80-120 maps running at a time with 2
tasks/node and 179 nodes and a large queue of map tasks. It seems to be caused by the load
balancing using the current load rather than the required load to run all of the queued tasks.

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