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Hadoop BigData

Complete hadoop information

English: Barnstar for using Hadoop on XML Wiki...

English: Barnstar for using Hadoop on XML Wikidump files. (Photo credit: Wikipedia)

1. Can i set the reducers config to “zero”?

Ans: Yes

2. is it possible to give multiple input directories ?

Ans: Yes …by using input format class

3. is it possible to give multiple output directories ?

Ans: yes …by using multiple output class.

4. What is the maximum replication factor?

Ans: 512

5. What is the minimum replication factor?

Ans: 1.

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