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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

List Hadoop’s three configuration files?

 395

What is Distributed Cache in Hadoop?

 416

What is the relationship between Jobs and Tasks in Hadoop?

 584

Tell me some major benefits of Hadoop?

 374

What are the four modules that make up the Apache Hadoop framework?

 527

Explain about Hadoop file system and processing framework?

 388

How Hadoop is cost-effective?

 383

What are the Hadoop features extended to its eco-system components ?

 398

What is job tracker in Hadoop?

 463

What are the main components in Hadoop Eco-System and what are their functions ?

 448

Name the most common Input Formats defined in Hadoop? Which one is default?

 437

What is the block size in Hadoop?

 384

After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?

 441

What is streaming in Hadoop?

 396

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

 437



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1417

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

961

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

850

What are the core components of Apache Hadoop?

718

What is the difference between Apache Hadoop and RDBMS?

743

How is security achieved in Apache Hadoop?

836

What is Apache Hadoop?

800

What is a “Distributed Cache” in Apache Hadoop?

725

What is the problem with small files in Apache Hadoop?

729

What is Rack Awareness in Apache Hadoop?

750

Explain Erasure Coding in Apache Hadoop?

693

What is Disk Balancer in Apache Hadoop?

802

What is a speculative execution in Apache Hadoop MapReduce?

739

What are the modes in which Apache Hadoop run?

747

What is Safemode in Apache Hadoop?

684