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How many Mappers run for a MapReduce job?
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What do you mean by shuffling and sorting in MapReduce?
What are combiners? When should I use a combiner in my MapReduce Job?
Can we set the number of reducers to zero in MapReduce?
What is a combiner and where you should use it?
List the network requirements for using Hadoop ?
What are the four basic parameters of a reducer?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
What is the default input type in MapReduce?
What are the various configuration parameters required to run a mapreduce job?
When is it suggested to use a combiner in a MapReduce job?
Is it mandatory to set input and output type/format in MapReduce?
What is the difference between RDBMS with Hadoop MapReduce?
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