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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

What is a RecordReader in Hadoop MapReduce?

 675

How to write MapReduce Programs?

 712

What is the difference between Pig and MapReduce?

 609

What is a speculative execution in Apache Hadoop MapReduce?

 793

When is it not recommended to use MapReduce paradigm for large scale data processing?

 654

What are the main components of MapReduce Job?

 679

What combiners is and when you should use a combiner in a MapReduce Job?

 623

What is partitioning in MapReduce?

 716

State some use cases where Hadoop MapReduce works well and where it does not.

WalMart,

346

What advantages does Spark offer over Hadoop MapReduce?

 297

What are the disadvantages of using Apache Spark over Hadoop MapReduce?

 456

How can you launch Spark jobs inside Hadoop MapReduce?

 314

Which one will you choose for a project –Hadoop MapReduce or Apache Spark?

 315

What is the difference between MapReduce engine and HDFS cluster?

 100

What is the difference between RDBMS with Hadoop MapReduce?

 797



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?

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