What is the use of InputFormat in MapReduce process?
When should you use sequencefileinputformat?
What are the various input and output types supported by mapreduce?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
Explain the process of spilling in Hadoop MapReduce?
Explain the difference between a MapReduce InputSplit and HDFS block?
Is there any point of learning mapreduce, then?
What is a partitioner and how the user can control which key will go to which reducer?
What is Text Input Format?
Which are the methods in the mapper interface?
What is KeyValueTextInputFormat in Hadoop MapReduce?
How to create custom key and custom value in MapReduce Job?
What main configuration parameters are specified in mapreduce?