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What is a combiner and where you should use it?
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How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
What combiners are and when you should use a combiner in a mapreduce job?
Is it important for Hadoop MapReduce jobs to be written in Java?
Explain Working of MapReduce?
Explain what is shuffling in mapreduce?
How to change a number of mappers running on a slave in MapReduce?
What is a Distributed Cache in Hadoop?
Where sorting is done in Hadoop MapReduce Job?
How many times combiner is called on a mapper node in Hadoop?
List the network requirements for using Hadoop ?
Explain what is the function of mapreduce partitioner?
What are the main configuration parameters in a MapReduce program?
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