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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Explain the process of spilling in MapReduce?

 597

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

 452

How to create a Map Reduce job through Talend?

 5

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

 771

What is LazyOutputFormat in MapReduce?

 682

What is Output Format in MapReduce?

 693

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

 616

What are the identity mapper and reducer in MapReduce?

 779

How to optimize Hadoop MapReduce Job?

 630

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

 712

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

 649

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

 612

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

 643

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

 623

What is the relation between MapReduce and Hive?

 639



Related Topics


Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1094

Can we submit the mapreduce job from slave node?

1103

What is a IdentityMapper and IdentityReducer in MapReduce ?

942

Explain Working of MapReduce?

968

Write a Mapreduce Program for Character Count ?

1046

how to proceed to write your first mapreducer program?

1341

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?

898

How does MapReduce framework view its input internally?

866

What are the steps involved in MapReduce framework?

978

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