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

Big Data Interview Questions

Questions Answers Views Company eMail

List few differences between apache kafka and rabbitmq?

309

What does serdes mean in apache kafka?

352

Explain the role of offset in kafka?

274

List some benefits of apache kafka?

298

What is a kafka cluster?

311

What is the difference between leader and follower in kafka?

322

Please explain apache kafka?

325

What is kafka message?

296

In which language apache kafka is written?

287

Explain the format of an apache kafka message?

289

Explain what do you understand by cassandra- cql collections?

Explain the various types of partitioners in cassandra?

Differentiate between the terms: node, a cluster, and data center in cassandra?

What do you mean by column family?

What do you mean by ss table and explain how it is different from the other original tables?

Un-Answered Questions { Big Data }

How can I improve my spark performance?

188

Why is Transformation lazy in Spark?

252

What is the usage of "void close()" method?

How does groupbykey work in spark?

192

What is the difference between MapReduce engine and HDFS cluster?

How can we change the split size if our commodity hardware has less storage space?

386

Does the hdfs client decide the input split or namenode?

404

when hadoop enter in safe mode?

447

How to perform the inter-cluster data copying work in HDFS?

List of the some best tools that can be useful for data-analysis?

231

What is map side join?

187

How can a developer utilize hive?

420

Difference between HBase vs Hive?

457

What is a combiner and where you should use it?

358

How to use Avro?

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