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


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More MapReduce Interview Questions

Explain the features of Apache Spark because of which it is superior to Apache MapReduce?

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

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Why comparison of types is important for MapReduce?

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What is map/reduce job in hadoop?

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How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.

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What is the function of mapreduce partitioner?

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What is RecordReader in a Map Reduce?

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Compare Pig vs Hive vs Hadoop MapReduce?

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What platform and Java version is required to run Hadoop?

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What is the role of a MapReduce partitioner?

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Where is Mapper output stored?

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What is the utility of using Writable Comparable Custom Class in Map Reduce code?

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