Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Give the use of the bootstrap panel.

507

What are the functionalities of jobtracker?

491

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

522

What are the network requirements for using hadoop?

508

What is the relation between job and task in hadoop?

480

What do you know by storage and compute node?

523

What is the purpose of button groups?

542

Name the various types of lists supported by bootstrap.

513

How many instances of a jobtracker run on hadoop cluster?

498

How do you categorize a big data?

526

What is inputsplit in hadoop? Explain.

585

What platform and java version are required to run hadoop?

512

What is the functionality of jobtracker in hadoop?

571

What are the hadoop's three configuration files?

521

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

478


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Un-Answered Questions { Apache Hadoop }

How would you tackle counting words in several text documents?

869


Name some companies that use Hadoop?

798


Knox and Hadoop Development Tools?

762


Define a commodity hardware? Does commodity hardware include ram?

590


Can we have multiple entries in the master files?

538


Is fs.mapr.working.dir a single directory?

520


What is Your Cluster size ?

1270


Explain how do ‘map’ and ‘reduce’ works?

570


What is zookeeper in hadoop?

477


How the Client communicates with HDFS?

849


How can you connect an application

855


Explain the hadoop configuration files at present?

491


Is hadoop the future?

484


what is meaning Replication factor?

782


How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?

557