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When is it not recommended to use MapReduce paradigm for large
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What is identity mapper and identity reducer?
In MapReduce, ideally how many mappers should be configured on a slave?
What is the difference between Job and Task in MapReduce?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
Explain slot in Hadoop Map-Reduce v1?
What is the difference between map and reduce?
What is the relation between MapReduce and Hive?
What is the key- value pair in Hadoop MapReduce?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
For a Hadoop job, how will you write a custom partitioner?
How can we control particular key should go in a specific reducer?
Why Hadoop MapReduce?
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