In Hadoop what is InputSplit?
What is the problem with the small file in Hadoop?
What does a split do?
In MapReduce Data Flow, when Combiner is called?
What are combiners? When should I use a combiner in my MapReduce Job?
How to write a custom partitioner for a Hadoop MapReduce job?
How to change a number of mappers running on a slave in MapReduce?
What is an identity mapper and identity reducer?
For a job in Hadoop, is it possible to change the number of mappers to be created?
Different ways of debugging a job in MapReduce?
What is the difference between HDFS block and input split?
What is streaming?
What is a map side join?