what happens in textinformat ?


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More MapReduce Interview Questions

What is heartbeat in hdfs?

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List the configuration parameters that have to be specified when running a MapReduce job.

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What are the four basic parameters of a reducer?

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What are the main components of MapReduce Job?

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List out Hadoop's three configuration files?

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What is map/reduce job in hadoop?

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What happens when a DataNode fails during the write process?

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Is reduce-only job possible in Hadoop MapReduce?

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Difference between mapreduce and spark

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how can you debug Hadoop code?

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Mention what is the next step after mapper or maptask?

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