Where is the output of Mapper written in Hadoop?
Is YARN a replacement of Hadoop MapReduce?
Explain InputSplit in Hadoop MapReduce?
How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
What is a partitioner and how the user can control which key will go to which reducer?
Explain what does the conf.setMapper Class do in MapReduce?
Clarify what is shuffling in map reduce?
Illustrate a simple example of the working of MapReduce.
Whether the output of mapper or output of partitioner written on local disk?
What is partitioning in MapReduce?
What are the main configuration parameters in a MapReduce program?
What is a scarce system resource?
How to specify more than one directory as input in the Hadoop MapReduce Program?