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Define Writable data types in Hadoop MapReduce?
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More MapReduce Interview Questions
Describe what happens to a mapreduce job from submission to output?
Can we set the number of reducers to zero in MapReduce?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
Explain what does the conf.setMapper Class do in MapReduce?
What is the core of the job in MapReduce framework?
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What is partitioner and its usage?
What is streaming?
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mapper or reducer?
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How to optimize Hadoop MapReduce Job?
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