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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