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

Apache Spark Interview Questions

Questions Answers Views Company eMail

explain the use of blinkdb?

271

How do you parse data in xml? Which kind of class do you use with java to parse data?

317

Explain parquet file?

269

What is lazy evaluation and how is it useful?

274

How is transformation on rdd different from action?

328

What is a dataset? What are its advantages over dataframe and rdd?

279

What is pagerank?

264

What is dag – directed acyclic graph?

276

Explain schemardd?

338

Describe coalesce() operation. When can you coalesce to a larger number of partitions? Explain.

305

When we create an rdd, does it bring the data and load it into the memory?

326

What does reduce action do?

255

how can you identify whether a given operation is transformation or action?

253

Explain the use of broadcast variables

292

How do you parse data in xml? Which kind of class do you use with java to pass data?

289

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Un-Answered Questions { Apache Spark }

Is databricks a database?

298

What is azure spark?

282

What is spark reducebykey?

257

What is the difference between spark and hive?

302

What is RDD?

467

Explain first() operation in Apache Spark?

281

How can we create RDD in Apache Spark?

285

Explain Spark Core?

284

What do we mean by Paraquet?

425

What languages support spark?

275

What is coalesce in spark sql?

287

Explain briefly what is Action in Apache Spark? How is final result generated using an action?

291

If map reduce is inferior to spark then is there any benefit of learning it?

257

Please enumerate the various components of the Spark Ecosystem.

370

Explain about the popular use cases of Apache Spark

406

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