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?

404

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?

1 942

Define a record reader?

407

What is the job tracker role in hadoop?

426

Explain how do you overwrite replication factor?

436

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

570

Define a udf?

421

Define a sequence file in hadoop?

540

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

437

Post New Hadoop General Questions

Un-Answered Questions { Hadoop General }

What happen if one of the datanodes has much slower cpu?

431

How to debug Hadoop code?

538

Specify what the information segments utilized by hadoop are?

438

What is the use of recordreader in hadoop?

421

What are the limitations of Hadoop?

570

Which port does SSH work on?

406

Mention what is data cleansing?

437

Can we write map reduce program in other than java programming language. How?

503

Explain how do you overwrite replication factor?

436

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

444

What is Mapper in Hadoop?

556

Clarify how ordering in hdfs is finished?

496

What are the important features of hadoop?

444

Explain is it possible to search for files using wildcards?

478

What does the high availability of a name-node means?

427

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