What are the various input and output types supported by mapreduce?


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More MapReduce Interview Questions

In MapReduce, ideally how many mappers should be configured on a slave?

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How to specify more than one directory as input in the Hadoop MapReduce Program?

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What are the various configuration parameters required to run a mapreduce job?

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What happens when a DataNode fails during the write process?

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What combiners are and when you should utilize a combiner in a map reduce job?

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what does the text input format do?

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Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?

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What is the difference between Hadoop and RDBMS?

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What is the purpose of textinputformat?

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When Namenode is down what happens to job tracker?

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Mention what is the hadoop mapreduce apis contract for a key and value class?

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What is the inputsplit in map reduce software?

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