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.

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

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