Explain how do ‘map’ and ‘reduce’ work?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More MapReduce Interview Questions

how Hadoop is different from other data processing tools?

0 Answers  


What do you know about nlineinputformat?

0 Answers  


What are the advantages of using mapreduce with hadoop?

0 Answers  


Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?

0 Answers  


What is InputFormat in Hadoop MapReduce?

0 Answers  


What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?

0 Answers  


Mention what is the next step after mapper or maptask?

0 Answers  


What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

0 Answers  


What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?

0 Answers  


What is MapReduce? What are the syntax you use to run a MapReduce program?

0 Answers  


Explain what is distributed cache in mapreduce framework?

0 Answers  


What do you mean by inputformat?

0 Answers  


Categories