Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain the basic architecture of Hadoop?

 696

Name some companies that use Hadoop?

Airtel,

746

what is hadoop archive?

 698

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

 797

How is the distance between two nodes defined in Hadoop?

 1215

What is speculative execution in Hadoop?

 838

What are the problems with Hadoop 1.0?

 830

what are the nodes in the Hadoop cluster?

 733

What is your favourite tool in the hadoop ecosystem?

 746

How many Daemon processes run on a Hadoop system?

 895

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

 683

Why do we use Hadoop?

 694

What is Hadoop Custom partitioner ?

 790

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

 1015

What is the difference between Hadoop and Traditional RDBMS?

 738



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1239

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

766

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

613

What are the core components of Apache Hadoop?

476

What is the difference between Apache Hadoop and RDBMS?

503




How is security achieved in Apache Hadoop?

511

What is Apache Hadoop?

583

What is a “Distributed Cache” in Apache Hadoop?

488

What is the problem with small files in Apache Hadoop?

509

What is Rack Awareness in Apache Hadoop?

509

Explain Erasure Coding in Apache Hadoop?

474

What is Disk Balancer in Apache Hadoop?

506

What is a speculative execution in Apache Hadoop MapReduce?

504

What are the modes in which Apache Hadoop run?

510

What is Safemode in Apache Hadoop?

459