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How to write MapReduce Programs?
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Detail description of the Reducer phases?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
Clarify what is shuffling in map reduce?
Explain what is “map” and what is "reducer" in hadoop?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
how indexing in HDFS is done?
List the network requirements for using Hadoop ?
How to set which framework would be used to run mapreduce program?
Can we set the number of reducers to zero in MapReduce?
what is WebDAV in Hadoop?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
What does conf.setmapper class do?
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