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 happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?

480

Which directory does hadoop install to?

518

Why use hadoop?

470

What are the actions followed by hadoop?

502

What kind of hardware is best for hadoop?

463

Where are hadoop’s configuration files located and list them?

479

How jobtracker assign tasks to the tasktracker?

461

What are the functionalities of jobtracer?

457

What does rack awareness mean?

453

What the information segments utilized by hadoop are?

446

Clarify what a task tracker is in hadoop?

472

How ordering in hdfs is finished?

471

Clarify what is sequence file input format?

563

How job tracker schedules an assignment?

454

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

470

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Un-Answered Questions { Hadoop General }

What does the mapred.job.tracker command do?

472

Can you explain logistic regression?

455

What does jps command do in Hadoop?

696

Can you explain bloommapfile.

501

Clarify how ordering in hdfs is finished?

526

What is the job tracker role in hadoop?

475

How to create a user in Hadoop?

524

Explain what is jobtracker in hadoop? What are the actions followed by hadoop?

446

List of the some best tools that can be useful for data-analysis?

473

Tell me some major benefits of Hadoop?

446

What is Distributed Cache in Hadoop?

499

Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?

475

Explain how can you check whether namenode is working beside using the jps command?

476

What do you think about the speculative execution?

479

Can we change the file cached by distributed cache

466

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