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Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Define streaming?

612

What is keyvaluetextinputformat?

690

Define a commodity hardware? Does commodity hardware include ram?

699

Explain the hadoop configuration files at present?

624

Explain the difference between gen1 and gen2 hadoop with regards to the namenode?

662

Explain why the name ‘hadoop’?

645

Define a combiner?

603

Explain the master class and the output class do?

605

Explain the features of stand alone (local) mode?

580

Name the examples of some companies that are using hadoop structure?

637

What is structured data?

595

Define streaming access?

615

Define fault tolerance?

607

What do sorting do?

641

What is nlineoutputformat?

638


Post New Apache Hadoop Questions

Un-Answered Questions { Apache Hadoop }

What is a Record Reader in hadoop?

909


Why do we need a password-less ssh in fully distributed environment?

676


Explain what happens in textinformat ?

708


How to enable recycle bin or trash in hadoop?

648


What is the purpose of button groups?

690


What is Safemode in Apache Hadoop?

677


what are the nodes in the Hadoop cluster?

998


Knox and Hadoop Development Tools?

876


How client application interacts with the NameNode?

910


Is map like a pointer?

875


What are the four characteristics of Big Data?

660


what is difference between int and intwritable?

1408


What are the important differences between apache and hadoop?

662


Can we call vms as pseudos?

621


How to configure hadoop to reuse JVM for mappers?

1152