Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain the basic architecture of Hadoop?

 627

Name some companies that use Hadoop?

Airtel,

691

what is hadoop archive?

 645

Have you ever used Counters in Hadoop. Give us an example scenario?

 747

How is the distance between two nodes defined in Hadoop?

 1142

What is speculative execution in Hadoop?

 781

What are the problems with Hadoop 1.0?

 776

what are the nodes in the Hadoop cluster?

 668

What is your favourite tool in the hadoop ecosystem?

 648

How many Daemon processes run on a Hadoop system?

 839

What is a Task instance in Hadoop? Where does it run?1

 625

Why do we use Hadoop?

 640

What is Hadoop Custom partitioner ?

 736

What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?

 958

What is the difference between Hadoop and Traditional RDBMS?

 682



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1188

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

704

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

539

What are the core components of Apache Hadoop?

422

What is the difference between Apache Hadoop and RDBMS?

446




How is security achieved in Apache Hadoop?

438

What is Apache Hadoop?

527

What is a “Distributed Cache” in Apache Hadoop?

430

What is the problem with small files in Apache Hadoop?

458

What is Rack Awareness in Apache Hadoop?

446

Explain Erasure Coding in Apache Hadoop?

420

What is Disk Balancer in Apache Hadoop?

445

What is a speculative execution in Apache Hadoop MapReduce?

448

What are the modes in which Apache Hadoop run?

456

What is Safemode in Apache Hadoop?

405