It can be possible that a Job has 0 reducers?


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More MapReduce Interview Questions

What is the difference between Hadoop and RDBMS?

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what is the Hadoop MapReduce APIs contract for a key and value class?

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What is the fundamental difference between a MapReduce InputSplit and HDFS block?

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Does Partitioner run in its own JVM or shares with another process?

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Why is output file name in Hadoop MapReduce part-r-00000?

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What are the main components of MapReduce Job?

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How to optimize MapReduce Job?

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Mention when to use Map reduce mode?

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What is the next step after Mapper or MapTask?

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How to create custom key and custom value in MapReduce Job?

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In MapReduce Data Flow, when Combiner is called?

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What is the relationship between Job and Task in Hadoop?

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