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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain the uses of Map Reduce in Pig?

 493

List the benefits of Spark over MapReduce.

 272

Compare Spark vs Hadoop MapReduce

 313

Is there any benefit of learning MapReduce, then?

 270

Compare MapReduce and Spark?

 267

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

 878

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

 637

What is RecordReader in a Map Reduce?

 606

Define Writable data types in MapReduce?

 644

Compare RDBMS with Hadoop MapReduce.

 585

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

 577

What is Shuffling and Sorting in a MapReduce?

 631

Illustrate a simple example of the working of MapReduce.

 575

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

 622

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

 585



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Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1057

Can we submit the mapreduce job from slave node?

1050

What is a IdentityMapper and IdentityReducer in MapReduce ?

900

Explain Working of MapReduce?

920

Write a Mapreduce Program for Character Count ?

1004

how to proceed to write your first mapreducer program?

1303

Developing a MapReduce Application?

899

Different ways of debugging a job in MapReduce?

1059

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

865

How does MapReduce framework view its input internally?

829

What are the steps involved in MapReduce framework?

931

What is the Job interface in MapReduce framework?

861

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

1047

What is the core of the job in MapReduce framework?

794

How Pig differs from MapReduce?

738