Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What is shuffle in spark?

419

Do I need to install hadoop for spark?

295

What are the transformations in spark?

302

Why do we need rdd in spark?

304

What's rdd?

294

What is the use of rdd in spark?

286

Does spark use mapreduce?

306

Why is the spark so fast?

322

What is spark used for?

285

What are broadcast variables in spark?

336

What is spark accreditation?

291

How do I use spark with big data?

313

What database does spark use?

294

Why should I use spark?

319

What is the use of spark in big data?

365

Un-Answered Questions { Big Data }

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

484

Why do we use persist () on links rdd?

315

Explain some important features of hadoop?

495

Explain how RDDs work with Scala in Spark

352

What is Combiner in MapReduce?

699

According to IBM, what are the three characteristics of Big Data?

479

what does the shell commands “Capture” and “Consistency” determines?

113

what is pig?

886

What is non-dfs used in hdfs web console

Can we install spark on windows?

356

what are the languages supported by apache spark for developing big data applications?

599

Are there any problems which can only be solved by MapReduce and cannot be solved by PIG? In which kind of scenarios MR jobs will be more useful than PIG?

827

How to set up local repository manually?

How is HDFS fault tolerant?

1077

What will you do when NameNode is down?

1060

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