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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

how can you debug Hadoop code?

 787

For a job in Hadoop, is it possible to change the number of mappers to be created?

 735

Is it important for Hadoop MapReduce jobs to be written in Java?

 777

What is the key- value pair in Hadoop MapReduce?

 632

What is InputFormat in Hadoop MapReduce?

 615

What are the various InputFormats in Hadoop?

 610

Explain InputSplit in Hadoop MapReduce?

 624

What is a RecordReader in Hadoop MapReduce?

 636

Explain the architecture of Hadoop Pig?

 707

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

 846

What are the core components of Apache Hadoop?

 713

What is the difference between Apache Hadoop and RDBMS?

 737

How is security achieved in Apache Hadoop?

 834

What is Apache Hadoop?

 800

What is a “Distributed Cache” in Apache Hadoop?

 724



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1416

What are the modules that constitute the Apache Hadoop 2.0 framework?

959

What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

846

What are the core components of Apache Hadoop?

713

What is the difference between Apache Hadoop and RDBMS?

737

How is security achieved in Apache Hadoop?

834

What is Apache Hadoop?

800

What is a “Distributed Cache” in Apache Hadoop?

724

What is the problem with small files in Apache Hadoop?

727

What is Rack Awareness in Apache Hadoop?

747

Explain Erasure Coding in Apache Hadoop?

692

What is Disk Balancer in Apache Hadoop?

798

What is a speculative execution in Apache Hadoop MapReduce?

739

What are the modes in which Apache Hadoop run?

744

What is Safemode in Apache Hadoop?

678