Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain what is the function of mapreduce partitioner?

 373

What is a mapreduce algorithm?

 366

What is mapreduce algorithm?

 323

When the reducers are are started in a mapreduce job?

 343

Is there any benefit of learning mapreduce if spark is better than mapreduce?

 1719

What are the advantages of using mapreduce with hadoop?

 340

What is the role of recordreader in hadoop mapreduce?

 463

What are the advantages of using map side join in mapreduce?

 345

What is reduce side join in mapreduce?

 324

What are the various configuration parameters required to run a mapreduce job?

 366

What is a distributed cache in mapreduce framework?

 350

Explain the difference between mapreduce engine and hdfs cluster?

 38

Is spark a mapreduce?

 201

Is spark better than mapreduce?

 175

Is hadoop based on google mapreduce?

 389



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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