What is Counter in MapReduce?
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What combiners are and when you should use a combiner in a mapreduce job?
Explain Working of MapReduce?
What is difference between an input split and hdfs block?
Is it mandatory to set input and output type/format in MapReduce?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
How is mapreduce related to cloud computing?
Explain job scheduling through JobTracker
What combiners are and when you should utilize a combiner in a map reduce job?
How many numbers of reducers run in Map-Reduce Job?
How to overwrite an existing output file during execution of mapreduce jobs?
What is the function of mapreduce partitioner?
What is a IdentityMapper and IdentityReducer in MapReduce ?
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