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

Hadoop General Interview Questions

Questions Answers Views Company eMail

Explain the key benefits of using storm for real time processing?

431

What is the logistic regression?

436

Define data cleansing?

402

What are the port numbers of namenode?

425

How can we create a hadoop cluster from scratch?

423

What are the port numbers of task tracker?

464

How can you native libraries be included in yarn jobs?

439

Name the files which are used by the startup and shutdown commands?

1 941

Define a record reader?

399

What is the job tracker role in hadoop?

426

Explain how do you overwrite replication factor?

434

Explain how can we check whether namenode is working or not?

570

Define a udf?

417

Define a sequence file in hadoop?

539

Name the operating system(s) which are supported for production hadoop deployment?

437

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Un-Answered Questions { Hadoop General }

What does hadoop-metrics.properties file do?

529

Explain edge nodes in hadoop?

441

What are the different modes in which we can configure/install Hadoop?

542

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

476

What is partitioning?

463

Is it possible to have hadoop job output in multiple directories?

444

What is Rack Awareness? What is its need in Hadoop?

532

What happens if the number of reducers is 0 in Hadoop?

481

What is 'jps'?

422

What is the default replication factor and how will you change it?

533

What are the port numbers of task tracker?

464

Explain InputSplit in Hadoop?

460

List out the some common problems faced by data analyst?

410

Mention what is rack awareness?

381

What are the tools used in big data?

434

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