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

Apache Spark Interview Questions

Questions Answers Views Company eMail

What is the difference between persist() and cache()?

323

Which spark library allows reliable file sharing at memory speed across different cluster frameworks?

271

What does the Spark Engine do?

323

How Spark uses Akka?

320

How Spark handles monitoring and logging in Standalone mode?

336

Explain how RDDs work with Scala in Spark

Capital One,

341

What is lineage graph in Apache Spark?

351

Different Running Modes of Apache Spark

310

How will you calculate the number of executors required to do real-time processing using Apache Spark? What factors need to be considered for deciding on the number of nodes for real-time processing?

289

List the popular use cases of Apache Spark?

289

What is Spark.executor.memory in a Spark Application?

305

Compare Hadoop and Spark?

322

What is write ahead log(journaling) in Spark?

427

What are Actions?

318

What are the limitations of Spark?

293

Post New Apache Spark Questions

Un-Answered Questions { Apache Spark }

Explain catalyst query optimizer in Apache Spark?

315

What is Speculative Execution in Apache Spark?

286

Why do we use spark?

329

What are the types of transformation in RDD in Apache Spark?

320

What is flatmap in apache spark?

326

What is mlib?

291

Explain key features of Spark

309

What is tungsten in spark?

393

Which the fundamental data structure of Spark

306

Explain the Parquet File format in Apache Spark. When is it the best to choose this?

361

Explain cogroup() operation in Spark?

287

Does spark use tez?

298

What is the disadvantage of spark sql?

368

What are the exact differences between reduce and fold operation in Spark?

450

What do you understand by Pair RDD?

385

For More Un-Answered { Apache Spark } Questions Click Here