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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain the process of spilling in MapReduce?

 561

What is the characteristic of streaming API that makes it flexible run MapReduce jobs in languages like Perl, Ruby, Awk etc.?

 429

How to create a Map Reduce job through Talend?

 5

In Hive, can you overwrite Hadoop MapReduce configuration in Hive?

 736

What is LazyOutputFormat in MapReduce?

 637

What is Output Format in MapReduce?

 656

Explain the features of Apache Spark because of which it is superior to Apache MapReduce?

 565

What are the identity mapper and reducer in MapReduce?

 731

How to optimize Hadoop MapReduce Job?

 600

How to specify more than one directory as input in the Hadoop MapReduce Program?

 666

How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

 611

Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?

 579

In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?

 603

How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?

 594

What is the relation between MapReduce and Hive?

 588



Related Topics


Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1059

Can we submit the mapreduce job from slave node?

1052

What is a IdentityMapper and IdentityReducer in MapReduce ?

904

Explain Working of MapReduce?

924

Write a Mapreduce Program for Character Count ?

1006

how to proceed to write your first mapreducer program?

1308

Developing a MapReduce Application?

904

Different ways of debugging a job in MapReduce?

1062

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

869

How does MapReduce framework view its input internally?

833

What are the steps involved in MapReduce framework?

934

What is the Job interface in MapReduce framework?

865

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

1051

What is the core of the job in MapReduce framework?

796

How Pig differs from MapReduce?

741