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

Hadoop General Interview Questions

Questions Answers Views Company eMail

What is the most widely recognized info formats characterized in hadoop?

385

Clarify what webdav is in hadoop?

428

Clarify how job tracker schedules an assignment?

388

What jobtracker is in hadoop? What are the activities followed by hadoop?

391

Clarify how ordering in hdfs is finished?

433

What a task tracker is in hadoop?

403

What webdav is in hadoop?

404

Specify what the information segments utilized by hadoop are?

400

Clarify what is sqoop in hadoop?

387

What does rack awareness algorithm means and why is it utilized as a part of hadoop?

384

What does rack awareness algorithm means?

449

What does the high availability of a name-node means? How is it accomplished?

376

What does name-node mean in hadoop?

436

What is check pointing in hadoop?

398

What does secondary name-node means?

387

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Un-Answered Questions { Hadoop General }

What is TextInputFormat in Hadoop?

473

what if job tracker machine is down?

440

How can you set an arbitrary number of mappers to be created for a job in Hadoop?

414

Which operating system(s) are supported for production hadoop deployment?

399

What are configuration files in Hadoop?

474

What are the main components of hadoop?

393

Can you explain rack awareness?

396

Have you ever used counters in hadoop?

394

Mention what is the difference between an rdbms and hadoop?

386

What is difference between reducer and combiner?

520

While starting hadoop services, datanode service is not running?

406

Can you explain combiner?

402

What are 'slaves' and 'masters' in Hadoop?

379

What are the Features of Hadoop?

462

How jobtracker assign tasks to the tasktracker?

374

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