Whether the output of mapper or output of partitioner written on local disk?
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how to proceed to write your first mapreducer program?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
How many Reducers run for a MapReduce job in Hadoop?
What main configuration parameters are specified in mapreduce?
When should you use a reducer?
How to overwrite an existing output file during execution of mapreduce jobs?
What is a mapreduce algorithm?
What is partitioner and its usage?
What is a map side join?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
Explain the difference between a MapReduce InputSplit and HDFS block?
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