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

Big Data Interview Questions

Questions Answers Views Company eMail

How many ways we can create rdd?

278

What does repartition do in spark?

328

What is the driver program in spark?

294

What is spark submit?

288

How do I clear my spark cache?

273

What is a partition in spark?

367

What is spark vectorization?

315

What is off heap memory in spark?

305

What is a tuple in spark?

285

Is spark an etl?

294

How is rdd distributed?

325

What are the common transformations in apache spark?

289

What is the difference between dataset and dataframe in spark?

364

What is distributed cache in spark?

355

What is catalyst framework in spark?

308

Un-Answered Questions { Big Data }

Define various running modes of apache spark?

282

Define catalog tables in HBase?

215

What is cages?

List few components that are using big data?

545

What is cassandra database used for?

Explain about the bloommapfile?

621

Is it possible to rename the output file, and if so, how?

463

What is the difference between apache mahout and spark mllib ?

Is impala production ready?

What we need to be taken care while adding a column?

100

What is High Availability feature in Hadoop2?

440

Define hadoop archives?

When should be hadoop archive create?

429

How do reducers communicate with each other?

667

Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

308

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