how indexing in HDFS is done?


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More MapReduce Interview Questions

What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

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Can you tell us how many daemon processes run on a hadoop system?

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Why Mapper runs in heavy weight process and not in a thread in MapReduce?

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Define speculative execution?

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How to optimize Hadoop MapReduce Job?

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How to set the number of mappers for a MapReduce job?

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

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What are the advantages of using map side join in mapreduce?

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What is shuffling in mapreduce?

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Explain job scheduling through JobTracker

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What is the InputSplit in map reduce ?

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What is the role of recordreader in hadoop mapreduce?

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