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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What is CAP Theorem? What aspects does Hadoop support from this theorem?

 432

Why do we need Hadoop?

 491

What are the core components of Hadoop?

 457

What are the Features of Hadoop?

 461

Compare Hadoop and RDBMS?

 386

What are the modes in which Hadoop run?

 457

What are configuration files in Hadoop?

 474

What are the limitations of Hadoop?

 514

Compare Hadoop 2 and Hadoop 3?

 378

Explain Data Locality in Hadoop?

 510

What is the problem with small files in Hadoop?

 488

How is security achieved in Hadoop?

 473

Why does one remove or add nodes in a Hadoop cluster frequently?

 646

What is throughput in Hadoop?

 489

How to restart NameNode or all the daemons in Hadoop?

 514



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?

726

What is Rack Awareness in Apache Hadoop?

746

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?

677