Apache Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Hadoop Interview Questions

Questions Answers Views Company eMail

Give the use of the bootstrap panel.

676

What are the functionalities of jobtracker?

672

Is it possible to provide multiple inputs to hadoop? If yes, explain.

658

What are the network requirements for using hadoop?

684

What is the relation between job and task in hadoop?

664

What do you know by storage and compute node?

689

What is the purpose of button groups?

751

Name the various types of lists supported by bootstrap.

679

How many instances of a jobtracker run on hadoop cluster?

641

How do you categorize a big data?

776

What is inputsplit in hadoop? Explain.

790

What platform and java version are required to run hadoop?

694

What is the functionality of jobtracker in hadoop?

718

What are the hadoop's three configuration files?

696

What is a namenode? How many instances of namenode run on a hadoop cluster?

643

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Un-Answered Questions { Apache Hadoop }

What's the best way to copy files between HDFS clusters?

1358

What is a namenode? How many instances of namenode run on a hadoop cluster?

643

How to resolve small file problem in hdfs?

980

What is the use of Combiner?

979

What is the use of combiners in the hadoop framework?

617

How to change replication factor of files already stored in HDFS?

1003

What is unstructured data?

667

Why is hadoop faster?

650

What is Input Split in hadoop?

980

Can you give us some more details about ssh communication between masters and the slaves?

703

Can you tell us more about ssh?

716

How is hadoop different from other data processing tools?

676

Which are the three main hdfs-site.xml properties?

665

What are channel selectors?

1029

Explain the basic difference between traditional rdbms and hadoop?

653

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