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?

439

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 }

When to use coalesce and repartition in spark?

342

Does spark need yarn?

257

What are the limitations of Apache Spark?

295

Describe join() operation. How is outer join supported?

304

Explain first() operation in Apache Spark?

312

What is flatmap in apache spark?

340

Is there any benefit of learning MapReduce, then?

303

List down the languages supported by Apache Spark?

298

What is spark code?

327

How do I optimize my spark code?

323

Who invented spark?

418

What language is apache spark?

309

Can you run spark on windows?

306

Describe Accumulator in detail in Apache Spark?

324

What is spark vcores?

293

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