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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?

 572

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

 554

Explain the process of spilling in Hadoop MapReduce?

 584

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

 563

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

 599

What are the benefits of Spark over MapReduce?

 577

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

 580

Why do we need MapReduce during Pig programming?

 603

What is difference between a MapReduce InputSplit and HDFS block

 632

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

 264

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

 597

Mention when to use Map reduce mode?

 591

How can hive avoid mapreduce?

 620

What is shuffleing in mapreduce?

 598

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?

 635



Related Topics


Un-Answered Questions { MapReduce }

What MapReduce framework consists of?

1057

Can we submit the mapreduce job from slave node?

1050

What is a IdentityMapper and IdentityReducer in MapReduce ?

899

Explain Working of MapReduce?

920

Write a Mapreduce Program for Character Count ?

1004

how to proceed to write your first mapreducer program?

1303

Developing a MapReduce Application?

899

Different ways of debugging a job in MapReduce?

1059

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

865

How does MapReduce framework view its input internally?

829

What are the steps involved in MapReduce framework?

931

What is the Job interface in MapReduce framework?

861

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

1047

What is the core of the job in MapReduce framework?

794

How Pig differs from MapReduce?

738