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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?

 576

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

 557

Explain the process of spilling in Hadoop MapReduce?

 586

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

 565

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

 602

What are the benefits of Spark over MapReduce?

 581

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

 585

Why do we need MapReduce during Pig programming?

 606

What is difference between a MapReduce InputSplit and HDFS block

 634

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

 265

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

 600

Mention when to use Map reduce mode?

 594

How can hive avoid mapreduce?

 621

What is shuffleing in mapreduce?

 600

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?

 637



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?

933

What is the Job interface in MapReduce framework?

864

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