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What is a mapreduce algorithm?
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More MapReduce Interview Questions
Explain what are the basic parameters of a mapper?
Why can aggregation not be done in Mapper in MapReduce?
How many Reducers run for a MapReduce job?
How can we assure that the values regarding a particular key goes to the same reducer?
How to write a custom partitioner for a Hadoop MapReduce job?
What is the use of InputFormat in MapReduce process?
mapper or reducer?
Explain what does the conf.setMapper Class do in MapReduce?
What is InputFormat in Hadoop MapReduce?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What are the various InputFormats in Hadoop?
what is Speculative Execution?
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