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?

275

What is the future of apache spark?

263

How can I improve my spark performance?

261

What is apache spark architecture?

299

Why spark is faster than hive?

287

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

436

What is pair rdd in spark?

261

What is difference between cache and persist in spark?

253

Is bigger than spark driver maxresultsize?

282

Does spark use java?

303

How do you process big data with spark?

258

What is a spark shuffle?

307

Why do we need apache spark?

257

How do I optimize my spark code?

286

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

295

Un-Answered Questions { Big Data }

Mention what is the number of default partitioner in Hadoop?

638

Can you explain record reader?

399

How does HDFS Index Data blocks? Explain.

What is transformation in spark?

299

Which command is used to list all the tables in a database or list all the columns in a table?

Explain about the execution plans of a Pig Script? Or Differentiate between the logical and physical plan of an Apache Pig script?

540

Virtual Box & Ubuntu Installation?

929

What is Starvation scenario in spark streaming?

335

What is Importance of Java in Apache Kafka?

525

Is spark a language?

256

How do I start flume agent?

What is Disk Balancer in Hadoop?

453

What advantages does Spark offer over Hadoop MapReduce?

275

What are the benefits of block transfer?

953

What is the difference between nas (network attached storage) and hdfs?

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