how indexing in HDFS is done?


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More MapReduce Interview Questions

Detail description of the Reducer phases?

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How many Mappers run for a MapReduce job in Hadoop?

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Why Mapreduce output written in local disk?

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What is RecordReader in a Map Reduce?

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What is the need of MapReduce in Hadoop?

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What happens when a DataNode fails during the write process?

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What is a "map" in Hadoop?

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What is reduce side join in mapreduce?

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With the help of two examples name the map and reduce function purpose

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Define Writable data types in Hadoop MapReduce?

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What is the use of InputFormat in MapReduce process?

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how JobTracker schedules a task ?

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