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

Apache Hadoop Interview Questions

Questions Answers Views Company eMail

How can we change the split size if our commodity hardware has less storage space?

626

How is hadoop different from other data processing tools?

629

What happens in a textinputformat?

613

Can you explain how do ‘map’ and ‘reduce’ work?

674

Can we call vms as pseudos?

625

What do the master class and the output class do?

632

What does job conf class do?

622

What do you know about keyvaluetextinputformat?

566

Define a namenode?

618

Explain the hadoop-core configuration?

635

Explain the benefits of block transfer?

765

Define a task tracker?

610

Define a metadata?

609

Define a daemon?

630

Explain the core components of hadoop?

615

Post New Apache Hadoop Questions

Un-Answered Questions { Apache Hadoop }

What is a spill factor with respect to the ram?

821

Which data storage components are used by hadoop?

634

Can you tell us more about ssh?

677

What are the network requirements for using hadoop?

647

How can we look for the namenode in the browser?

676

Why the name ‘hadoop’?

581

How we can change Replication factor when Data is on the fly?

1302

What is Schema on Read and Schema on Write?

869

How to Administering Hadoop?

870

How blocks are distributed among all data nodes for a particular chunk of data?

1053

What does /var/hadoop/pids do?

1220

Why are the number of splits equal to the number of maps?

912

what is SPF?

1473

What is InputSplit and RecordReader?

884

What are the different methods to run Spark over Apache Hadoop?

684

For More Un-Answered { Apache Hadoop } Questions Click Here