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?

278

What does repartition do in spark?

328

What is the driver program in spark?

294

What is spark submit?

287

How do I clear my spark cache?

273

What is a partition in spark?

367

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?

288

What is the difference between dataset and dataframe in spark?

364

What is distributed cache in spark?

355

What is catalyst framework in spark?

308

Un-Answered Questions { Big Data }

Different Running Modes of Apache Spark

310

Where can I get sample data to try?

What is Federation?

415

what is Speculative Execution?

832

What does heartbeat in hdfs means?

how would you modify that solution to only count the number of unique words in all the documents?

973

Is hadoop mandatory for spark?

281

What is non-dfs used in hdfs web console

What is the purpose of retention period in Kafka cluster?

662

How do sparks work?

348

What do you mean by shuffling and sorting in MapReduce?

699

Specify the different methods of hive?

723

did you maintain the hadoop cluster in-house or used hadoop in the cloud?

1018

Name a few import control commands. How can Sqoop handle large objects?

How to set which framework would be used to run mapreduce program?

684

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