What are ‘maps’ and ‘reduces’?

654

What is Distributed Cache in the MapReduce Framework?

580

What are the main configuration parameters in a MapReduce program?

594

How to set which framework would be used to run mapreduce program?

636

Differentiate Reducer and Combiner in Hadoop MapReduce?

624

Whether the output of mapper or output of partitioner written on local disk?

640

What is a distributed cache in mapreduce framework?

571

What are the key differences between Pig vs MapReduce?

557

What is the job of blend () and repartition () in Map Reduce?

596

What is a combiner and where you should use it?

623

What is the best way to copy files between HDFS clusters?

628

Define the Use of MapReduce?

607

When should you use sequencefileinputformat?

611

What is the difference between RDBMS with Hadoop MapReduce?

758

Why MapReduce uses the key-value pair to process the data?

585