What is Text Input Format?
Define MapReduce?
How does Mappers run method works?
Can MapReduce program be written in any language other than Java?
What is the use of InputFormat in MapReduce process?
What is a map side join?
Write a short note on the disadvantages of mapreduce
What is Output Format in MapReduce?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
What combiners are and when you should use a combiner in a mapreduce job?
How to write MapReduce Programs?
What is MapReduce?
What is a "reducer" in Hadoop?