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?

321

What is the future of apache spark?

298

How can I improve my spark performance?

305

What is apache spark architecture?

335

Why spark is faster than hive?

322

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

475

What is pair rdd in spark?

297

What is difference between cache and persist in spark?

291

Is bigger than spark driver maxresultsize?

313

Does spark use java?

336

How do you process big data with spark?

301

What is a spark shuffle?

344

Why do we need apache spark?

300

How do I optimize my spark code?

325

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

345

Un-Answered Questions { Big Data }

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

484

Is spark used for machine learning?

301

What are the benefits of lazy evaluation?

317

What do you mean by metadata in HDFS? Where is it stored in Hadoop?

100

Define streaming?

708

What is presto verifier?

How do I know if flume agent is running?

116

Can I do trforms or add new functionality?

What are the different input sources for Spark Streaming?

389

What is big data or hooda?

582

In Hive, can you overwrite Hadoop MapReduce configuration in Hive?

827

What is spark ml?

357

Explain the term paired RDD in Apache Spark?

421

Define Compaction?

Explain some of the basic commands used for Apache Ambari server?

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