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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain the uses of Map Reduce in Pig?

 549

List the benefits of Spark over MapReduce.

 294

Compare Spark vs Hadoop MapReduce

 330

Is there any benefit of learning MapReduce, then?

 292

Compare MapReduce and Spark?

 287

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

 927

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

 683

What is RecordReader in a Map Reduce?

 643

Define Writable data types in MapReduce?

 673

Compare RDBMS with Hadoop MapReduce.

 630

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

 601

What is Shuffling and Sorting in a MapReduce?

 659

Illustrate a simple example of the working of MapReduce.

 629

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

 667

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

 635



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Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1094

Can we submit the mapreduce job from slave node?

1104

What is a IdentityMapper and IdentityReducer in MapReduce ?

943

Explain Working of MapReduce?

969

Write a Mapreduce Program for Character Count ?

1047

how to proceed to write your first mapreducer program?

1342

Developing a MapReduce Application?

963

Different ways of debugging a job in MapReduce?

1105

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

899

How does MapReduce framework view its input internally?

867

What are the steps involved in MapReduce framework?

979

What is the Job interface in MapReduce framework?

906

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

1091

What is the core of the job in MapReduce framework?

848

How Pig differs from MapReduce?

797