how totalorder partitioner works in hadoop?
i am new to this concept of totalorder partitioner in hadoop
i have some questions on this concept
1) how the sorting happens internally using totalorder partitioner?
2)why are we using an input sampler in this concept?
3)how can i know the number of reducers to set?
4) why are we using partitioner here?
5)what is a partition file?
i had above doubts while going through that concept.can anyone explain me
these concepts?
Thanks in Advance
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