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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

What is the utility of using Writable Comparable Custom Class in Map Reduce code?

 944

What is the core of the job in MapReduce framework?

 794

How Pig differs from MapReduce?

 738

MapReduce Types and Formats and Setting up a Hadoop Cluster?

 875

Why Mapreduce output written in local disk?

 954

Is YARN a replacement of Hadoop MapReduce?

 1 1941

What is the Hadoop MapReduce API contract for a key and value Class?

 1244

When is the reducers are started in a MapReduce job?

 826

What is the input type/format in MapReduce by default?

 1040

What comes in Hadoop 2.0 and MapReduce V2 YARN

 960

Why comparison of types is important for MapReduce?

 914

What is the InputSplit in map reduce ?

 987

In which scenario Pig is better fit than MapReduce?

 781

Can you overwrite Hadoop MapReduce configuration in Hive?

 852

Explain the need for MapReduce while programming in Apache Pig?

 744



Related Topics


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