Explain the input type/format in mapreduce by default?


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More MapReduce Interview Questions

For a Hadoop job, how will you write a custom partitioner?

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What is sqoop in Hadoop ?

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mapper or reducer?

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List the network requirements for using Hadoop ?

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Mention what are the main configuration parameters that user need to specify to run mapreduce job?

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What is the role of a MapReduce partitioner?

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What is the difference between Hadoop and RDBMS?

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how indexing in HDFS is done?

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what is distributed cache in mapreduce framework?

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Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

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What is Distributed Cache in the MapReduce Framework?

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What is SequenceFileInputFormat in Hadoop MapReduce?

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