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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?

 987

What is the core of the job in MapReduce framework?

 847

How Pig differs from MapReduce?

 797

MapReduce Types and Formats and Setting up a Hadoop Cluster?

 903

Why Mapreduce output written in local disk?

 998

Is YARN a replacement of Hadoop MapReduce?

 1 2020

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

 1290

When is the reducers are started in a MapReduce job?

 861

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

 1068

What comes in Hadoop 2.0 and MapReduce V2 YARN

 1002

Why comparison of types is important for MapReduce?

 954

What is the InputSplit in map reduce ?

 1022

In which scenario Pig is better fit than MapReduce?

 835

Can you overwrite Hadoop MapReduce configuration in Hive?

 906

Explain the need for MapReduce while programming in Apache Pig?

 770



Related Topics


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?

968

Write a Mapreduce Program for Character Count ?

1046

how to proceed to write your first mapreducer program?

1342

Developing a MapReduce Application?

962

Different ways of debugging a job in MapReduce?

1104

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?

905

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

1090

What is the core of the job in MapReduce framework?

847

How Pig differs from MapReduce?

797