Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain the uses of Map Reduce in Pig?

 302

List the benefits of Spark over MapReduce.

 204

Compare Spark vs Hadoop MapReduce

 199

Is there any benefit of learning MapReduce, then?

 205

Compare MapReduce and Spark?

 190

Can MapReduce program be written in any language other than Java?

 626

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

 410

What is RecordReader in a Map Reduce?

 388

Define Writable data types in MapReduce?

 388

Compare RDBMS with Hadoop MapReduce.

 349

what are the main configuration parameters that user need to specify to run Mapreduce Job ?

 365

What is Shuffling and Sorting in a MapReduce?

 407

Illustrate a simple example of the working of MapReduce.

 380

what is the Hadoop MapReduce APIs contract for a key and value class?

 410

When is it suggested to use a combiner in a MapReduce job?

 385



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Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

761

Can we submit the mapreduce job from slave node?

840

What is a IdentityMapper and IdentityReducer in MapReduce ?

631

Explain Working of MapReduce?

660

Write a Mapreduce Program for Character Count ?

702




how to proceed to write your first mapreducer program?

1023

Developing a MapReduce Application?

650

Different ways of debugging a job in MapReduce?

799

What are combiners? When should I use a combiner in my MapReduce Job?

650

How does MapReduce framework view its input internally?

588

What are the steps involved in MapReduce framework?

607

What is the Job interface in MapReduce framework?

637

How to overwrite an existing output file during execution of mapreduce jobs?

841

What is the core of the job in MapReduce framework?

578

How Pig differs from MapReduce?

564