How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?


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More MapReduce Interview Questions

What is an input reader in reference to mapreduce?

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What is RecordReader in a Map Reduce?

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Explain task granularity

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Explain what you understand by speculative execution

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What happens when a datanode fails ?

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What are the four essential parameters of a mapper?

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Describe what happens to a mapreduce job from submission to output?

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For a job in Hadoop, is it possible to change the number of mappers to be created?

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

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Is YARN a replacement of Hadoop MapReduce?

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Where is the output of Mapper written in Hadoop?

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Where the mapper's intermediate data will be stored?

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