When is it suggested to use a combiner in a MapReduce job?
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What is the function of mapreducer partitioner?
How to optimize Hadoop MapReduce Job?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
How many times combiner is called on a mapper node in Hadoop?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What is the difference between Hadoop and RDBMS?
What are the various input and output types supported by mapreduce?
What platform and Java version is required to run Hadoop?
Mention Hadoop core components?
What do you mean by inputformat?
When is it not recommended to use MapReduce paradigm for large
What are the four basic parameters of a reducer?
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