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 speculative execution in spark?

322

Explain write ahead log(journaling) in spark?

266

Explain values() operation in apache spark?

498

Define the level of parallelism and its need in spark streaming?

391

Define sparksession in apache spark? Why is it needed?

275

Describe different transformations in dstream in apache spark streaming?

304

What is shark?

284

Name a few commonly used spark ecosystems?

286

What is hive on spark?

389

Can we do real-time processing using spark sql?

310

How sparksql is different from hql and sql?

501

What is a parquet file?

284

Define the term ‘sparse vector.’

283

Define the roles of the file system in any framework?

304

What happens to rdd when one of the nodes on which it is distributed goes down?

433

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Un-Answered Questions { Apache Spark }

How many types of rdd are there in spark?

316

How do we create rdds in spark?

558

What is spark mapvalues?

284

What is scala and spark?

271

Explain coalesce operation in Apache Spark?

323

How many ways we can create rdd?

278

What are the downsides of Spark?

354

Can we do real-time processing using spark sql?

310

What are the features and characteristics of Apache Spark?

289

What does the Spark Engine do?

323

Name a few companies that use Apache Spark in production?

325

How is streaming implemented in spark? Explain with examples.

357

Does rdd have schema?

321

Explain Spark countByKey() operation?

319

Is it possible to use Apache Spark for accessing and analyzing data stored in Cassandra databases?

304

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