Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What does conf.setmapper class do?
Explain InputSplit in Hadoop MapReduce?
Is YARN a replacement of Hadoop MapReduce?
Is it possible to rename the output file?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What is the function of mapreducer partitioner?
How is reporting controlled in hadoop?
what daemons run on a master node and slave nodes?
What is MapReduce? What are the syntax you use to run a MapReduce program?
Why MapReduce uses the key-value pair to process the data?
Explain Working of MapReduce?
What is an input reader in reference to mapreduce?