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Topic :: MapReduce





MapReduce Interview Questions
Questions Answers Views Company eMail

Why is output file name in Hadoop MapReduce part-r-00000?

 629

Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?

 600

Explain the process of spilling in Hadoop MapReduce?

 632

What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?

 600

What are the the issues associated with the map and reduce slots based mechanism in mapReduce?

 645

What are the benefits of Spark over MapReduce?

 643

What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

 632

Why do we need MapReduce during Pig programming?

 643

What is difference between a MapReduce InputSplit and HDFS block

 676

What is Apache Spark and what are the benefits of Spark over MapReduce?

 279

What is the job of blend () and repartition () in Map Reduce?

 639

Mention when to use Map reduce mode?

 628

How can hive avoid mapreduce?

 694

What is shuffleing in mapreduce?

 648

Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?

 677



Related Topics


Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1094

Can we submit the mapreduce job from slave node?

1105

What is a IdentityMapper and IdentityReducer in MapReduce ?

945

Explain Working of MapReduce?

971

Write a Mapreduce Program for Character Count ?

1049

how to proceed to write your first mapreducer program?

1343

Developing a MapReduce Application?

966

Different ways of debugging a job in MapReduce?

1106

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

901

How does MapReduce framework view its input internally?

868

What are the steps involved in MapReduce framework?

980

What is the Job interface in MapReduce framework?

907

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

1092

What is the core of the job in MapReduce framework?

849

How Pig differs from MapReduce?

799