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Posted to common-user@hadoop.apache.org by abc xyz <fa...@yahoo.com> on 2010/07/22 13:51:04 UTC

InputSampler hadoop

is it possible to use the InputSampler.xyzSampler with a custom partitioner 
other than the TotalOrderPartitioner? 


i have read in http://philippeadjiman.com/blog/tag/hadoop/ that [Hadoop provide 
a nice way to approximate a priori a good partitioning function using an 
InputSampler..... This mechanism has to be used in combination with a 
TotalOrderPartitioner.]

is it so? if not, how to specify the sampler for a custom partitioner?