Hi Jane,
The partitioner class can be used to achieve this. (
http://hadoop.apache.org/mapreduce/docs/r0.21.0/api/org/apache/hadoop/mapreduce/Partitioner.html
).Thanks, Hari On Sat, Dec 18, 2010 at 11:13 PM, Jane Chen <jxchen_us_1...@yahoo.com>wrote: > Hi All, > > Is there anyway to influence where a reduce task is run? We have a case > where we'd like to choose the host to run the reduce task based on the > task's input key. > > Any suggestion is greatly appreciated. > > Thanks, > Jane > > > >
