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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?

 626

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

 599

Explain the process of spilling in Hadoop MapReduce?

 631

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

 599

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

 644

What are the benefits of Spark over MapReduce?

 640

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

 630

Why do we need MapReduce during Pig programming?

 642

What is difference between a MapReduce InputSplit and HDFS block

 674

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

 278

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

 637

Mention when to use Map reduce mode?

 626

How can hive avoid mapreduce?

 692

What is shuffleing in mapreduce?

 647

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?

 676



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