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?

287

Explain fullOuterJoin() operation in Apache Spark?

420

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

307

Explain coalesce operation in Apache Spark?

323

Explain the level of parallelism in spark streaming?

289

Explain join() operation in Apache Spark?

354

How to process data using Transformation operation in Spark?

305

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

281

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

313

Explain the operation reduce() in Spark?

286

Explain the lookup() operation in Spark?

231

Explain the processing speed difference between Hadoop and Apache Spark?

291

Explain the operation transformation and action in Apache Spark RDD?

328

Explain Spark join() operation?

286

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

342

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Un-Answered Questions { Apache Spark }

Is databricks a database?

316

Can you run spark without hadoop?

322

Why do we need rdd in spark?

286

What is spark certification?

314

What are the languages supported by apache spark and which is the most popular one?

1705

Can you explain worker node?

403

What is lineage graph in Apache Spark?

351

What is scala and spark?

271

What is executor and driver in spark?

284

Which file systems does Spark support?

289

What is spark reducebykey?

268

What is driver memory and executor memory in spark?

326

What are the different levels of persistence in Spark?

337

What is PageRank in Spark?

272

Explain foreach() operation in apache spark?

308

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