Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

How many ways we can create rdd?

280

What does repartition do in spark?

329

What is the driver program in spark?

294

What is spark submit?

289

How do I clear my spark cache?

273

What is a partition in spark?

369

What is spark vectorization?

315

What is off heap memory in spark?

305

What is a tuple in spark?

285

Is spark an etl?

294

How is rdd distributed?

325

What are the common transformations in apache spark?

290

What is the difference between dataset and dataframe in spark?

366

What is distributed cache in spark?

357

What is catalyst framework in spark?

310

Un-Answered Questions { Big Data }

How can you trigger automatic clean-ups in Spark to handle accumulated metadata?

449

Enlist all Apache Kafka Operations?

552

Explain the composite key?

What are the major differences between Hadoop 2 and Hadoop 3?

480

Explain cassandra.

How many filters are available in HBase?

441

How can a user get the information on the version of CQLSH?

Does Pig give any warning when there is a type mismatch or missing field?

898

What are Pig Execution modes?

618

How do users interact with the shell in apache pig?

543

What are the core methods of a Reducer?

511

Explain the flatMap operation on Apache Spark RDD?

318

What are the debugging tools used for Apache Pig scripts?

786

State the difference between Spark SQL and Hql

357

Is spark better than mapreduce?

278

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