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