how to proceed to write your first mapreducer program?
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What is a distributed cache in mapreduce framework?
Explain what does the conf.setmapper class do?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
How can we control particular key should go in a specific reducer?
What are the various InputFormats in Hadoop?
What is the default input type in MapReduce?
What is a TaskInstance?
Which Sorting algorithm is used in Hadoop MapReduce?
Why comparison of types is important for MapReduce?
What is mapreduce algorithm?
What is heartbeat in hdfs? Explain.
What is the inputsplit in map reduce software?
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