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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Explain the basic architecture of Hadoop?

 888

Name some companies that use Hadoop?

Airtel,

911

what is hadoop archive?

 881

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

 1012

How is the distance between two nodes defined in Hadoop?

 1418

What is speculative execution in Hadoop?

 1017

What are the problems with Hadoop 1.0?

 988

what are the nodes in the Hadoop cluster?

 997

What is your favourite tool in the hadoop ecosystem?

 918

How many Daemon processes run on a Hadoop system?

 1056

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

 816

Why do we use Hadoop?

 869

What is Hadoop Custom partitioner ?

 947

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

 1272

What is the difference between Hadoop and Traditional RDBMS?

 874



Related Topics


Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1414

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

955

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

845

What are the core components of Apache Hadoop?

710

What is the difference between Apache Hadoop and RDBMS?

735

How is security achieved in Apache Hadoop?

831

What is Apache Hadoop?

798

What is a “Distributed Cache” in Apache Hadoop?

721

What is the problem with small files in Apache Hadoop?

725

What is Rack Awareness in Apache Hadoop?

744

Explain Erasure Coding in Apache Hadoop?

690

What is Disk Balancer in Apache Hadoop?

797

What is a speculative execution in Apache Hadoop MapReduce?

736

What are the modes in which Apache Hadoop run?

740

What is Safemode in Apache Hadoop?

673