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?

454

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?

279

What is a spark shuffle?

334

Why do we need apache spark?

271

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 }

Can we do real-time processing using spark sql?

310

Elaborate on Identifiers?

121

Define Thrift?

268

How does bloom filter help in searching rows?

219

Why do we use Hadoop?

925

How can you overwrite the replication factors in HDFS?

1247

What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?

540

What is spark mapvalues?

284

How can you start a consumer in kafka?

541

What are the limitations of Hadoop?

568

What are the important differences between apache and hadoop?

704

What are the advantages and Disadvantages in archieving partition in Hive?

746

What is the difference between apache mahout and cloudera oryx ?

Mention what is the difference between hdfs and nas?

How to sort intermediate output based on values in MapReduce?

655

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