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

Big Data Interview Questions

Questions Answers Views Company eMail

Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?

164

What is RDD in Apache Spark? How are they computed in Spark? what are the various ways in which it can create?

340

What role does worker node play in Apache Spark Cluster? And what is the need to register a worker node with the driver program?

357

What is SparkSession in Apache Spark? Why is it needed?

398

What is the task of Spark Engine

344

What is the user of sparkContext?

329

How is the processing of streaming data achieved in Apache Spark? Explain.

302

Can you do real-time processing with Spark SQL?

337

Discuss the role of Spark driver in Spark application?

296

What are the features of RDD, that makes RDD an important abstraction of Spark?

301

What is Apache Spark? What is the reason behind the evolution of this framework?

294

What are accumulators in Apache Spark?

330

What is the reason behind Transformation being a lazy operation in Apache Spark RDD? How is it useful?

507

Explain about the different types of trformations on dstreams?

319

Describe the run-time architecture of Spark?

305

Un-Answered Questions { Big Data }

What are the different tools used for the ambari monitoring purpose?

Mention what is HiveServer2 (HS2)?

829

Does impala use caching?

Compare Hadoop and Spark?

341

What is cluster manager in spark?

331

Explain partitions?

293

What is SuperColumn in Cassandra?

111

What are the port numbers of task tracker?

494

What is a Seed Node in Cassandra ?

Does Cassandra work on Windows?

What do you understand by cassandra?

How does apache flume work?

138

Define Simple Strategy?

159

What do you mean by Stream Processing in Kafka?

555

Can you explain commodity hardware?

458

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