Apache Spark Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Apache Spark Interview Questions

Questions Answers Views Company eMail

Why is transformation lazy operation in Apache Spark RDD? How is it useful?

302

Explain fullOuterJoin() operation in Apache Spark?

440

How many partitions are created by default in Apache Spark RDD?

317

Explain coalesce operation in Apache Spark?

339

Explain the level of parallelism in spark streaming?

298

Explain join() operation in Apache Spark?

364

How to process data using Transformation operation in Spark?

316

What is Resilient Distributed Dataset (RDD) in Apache Spark? How does it make spark operator rich?

304

What are the differences between Caching and Persistence method in Apache Spark?

321

Explain the operation reduce() in Spark?

306

Explain the lookup() operation in Spark?

245

Explain the processing speed difference between Hadoop and Apache Spark?

300

Explain the operation transformation and action in Apache Spark RDD?

348

Explain Spark join() operation?

294

How is RDD in Apache Spark different from Distributed Storage Management?

352

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Un-Answered Questions { Apache Spark }

Explain the action count() in Spark RDD?

287

What is spark context spark session?

295

Is it necessary to install spark on all the nodes of a YARN cluster while running Apache Spark on YARN ?

360

How can I improve my spark performance?

299

What are spark stages?

316

Who creates dag in spark?

358

What are the benefits of Spark lazy evaluation?

335

List out the ways of creating RDD in Apache Spark?

299

What is flatmap in apache spark?

340

What is lambda architecture spark?

333

What is the difference between dataset and dataframe in spark?

381

What is hdfs spark?

302

What is the difference between DSM and RDD?

316

Why scala is used in spark?

349

What are broadcast variables in Apache Spark? Why do we need them?

329

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