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?

281

How can I improve my spark performance?

286

What is apache spark architecture?

317

Why spark is faster than hive?

305

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?

298

Does spark use java?

323

How do you process big data with spark?

283

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?

322

Un-Answered Questions { Big Data }

What combiners is and when you should use a combiner in a MapReduce Job?

626

What are the common mistakes developers make when running Spark applications?

286

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

690

How can you send some messages in kafka?

504

What is Flume event?

What are the Binary Storage formats supported in Hive?

728

What are the different types of partitioners in cassandra?

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

439

What is the job tracker role in hadoop?

426

What are the all tasks we can perform for managing services using the ambari service tab?

What is spark certification?

314

How to create Users in hadoop HDFS?

What is the default replication factor?

995

What is isr?

541

Can you define the process of creating ambari client?

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