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From "Owen O'Malley" <...@yahoo-inc.com>
Subject Re: About the support of MapReduce task scheduling schemes
Date Wed, 13 Feb 2008 17:43:31 GMT

On Feb 13, 2008, at 9:32 AM, Zhu Huijun wrote:

> Thanks. Do you have any idea about where is the scheduling module  
> in the
> source files?

The scheduling is all done in the JobTracker. The relevant classes  
are mostly JobTracker and JobInProgress in org.apache.hadoop.mapred.  
You should note that we are in the middle of redesigning them. The  
relevant bugs are:

https://issues.apache.org/jira/browse/HADOOP-2119
https://issues.apache.org/jira/browse/HADOOP-2014

-- Owen
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