What is a distributed cache in mapreduce framework?
When is it not recommended to use MapReduce paradigm for large scale data processing?
What is the next step after Mapper or MapTask?
Why do we need MapReduce during Pig programming?
How to set the number of reducers?
How many Reducers run for a MapReduce job in Hadoop?
What do you understand by mapreduce?
What is a "reducer" in Hadoop?
Is it necessary to write a mapreduce job in java?
What are the advantages of using mapreduce with hadoop?
What is the key- value pair in Hadoop MapReduce?
What are ‘maps’ and ‘reduces’?
List the network requirements for using Hadoop ?