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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain the basic architecture of Hadoop?

 931

Name some companies that use Hadoop?

Airtel,

954

what is hadoop archive?

 921

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

 1063

How is the distance between two nodes defined in Hadoop?

 1455

What is speculative execution in Hadoop?

 1051

What are the problems with Hadoop 1.0?

 1046

what are the nodes in the Hadoop cluster?

 1045

What is your favourite tool in the hadoop ecosystem?

 958

How many Daemon processes run on a Hadoop system?

 1101

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

 853

Why do we use Hadoop?

 925

What is Hadoop Custom partitioner ?

 1001

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

 1328

What is the difference between Hadoop and Traditional RDBMS?

 921



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1453

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

1005

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

907

What are the core components of Apache Hadoop?

784

What is the difference between Apache Hadoop and RDBMS?

807

How is security achieved in Apache Hadoop?

909

What is Apache Hadoop?

851

What is a “Distributed Cache” in Apache Hadoop?

777

What is the problem with small files in Apache Hadoop?

783

What is Rack Awareness in Apache Hadoop?

811

Explain Erasure Coding in Apache Hadoop?

750

What is Disk Balancer in Apache Hadoop?

885

What is a speculative execution in Apache Hadoop MapReduce?

793

What are the modes in which Apache Hadoop run?

800

What is Safemode in Apache Hadoop?

733