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

Big Data Interview Questions

Questions Answers Views Company eMail

What are shared variables in spark?

304

What is the future of apache spark?

279

How can I improve my spark performance?

286

What is apache spark architecture?

317

Why spark is faster than hive?

303

What happens if rdd partition is lost due to worker node failure?

456

What is pair rdd in spark?

287

What is difference between cache and persist in spark?

275

Is bigger than spark driver maxresultsize?

296

Does spark use java?

323

How do you process big data with spark?

281

What is a spark shuffle?

334

Why do we need apache spark?

274

How do I optimize my spark code?

306

What is the difference between client mode and cluster mode in spark?

320

Un-Answered Questions { Big Data }

What are the exception handling operators in Pig script?

578

Compare RabbitMQ vs Apache Kafka?

570

What are spark stages?

302

What is apache spark architecture?

317

What is throughput? How does HDFS provide good throughput?

Differentiate between static and dynamic cql tables.

Is it possible to use the same metastore by multiple users, in case of the embedded hive?

804

Where does the data of a Hive table gets stored?

668

What is Apache Avro?

Why is there a need for broadcast variables when working with Apache Spark?

308

What are the main key structures of hbase?

167

What happens when the node running the map task fails before the map output has been sent to the reducer?

650

Why Ambari?

200

Some of the most notable applications of Kafka?

517

Does spark use tez?

298

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