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

Big Data Interview Questions

Questions Answers Views Company eMail

How many ways we can create rdd?

280

What does repartition do in spark?

328

What is the driver program in spark?

294

What is spark submit?

289

How do I clear my spark cache?

273

What is a partition in spark?

369

What is spark vectorization?

315

What is off heap memory in spark?

305

What is a tuple in spark?

285

Is spark an etl?

294

How is rdd distributed?

325

What are the common transformations in apache spark?

290

What is the difference between dataset and dataframe in spark?

366

What is distributed cache in spark?

357

What is catalyst framework in spark?

310

Un-Answered Questions { Big Data }

How can we launch a tajo cluster?

What is rack awareness in hadoop?

489

How much data is enough to get valid outcome?

622

What is the use of recordreader in hadoop?

421

What is purpose of RecordWriter in Hadoop?

509

Why do we need buckets?

727

How message is consumed by consumer in kafka?

480

Is nosql follow relational db model?

467

What does map transformation do? Provide an example.

318

What is closing out ledgers?

What is used to store data generally?

What is the difference between a node, a cluster, and data centre?

255

How can you set an arbitrary number of Reducers to be created for a job in Hadoop?

476

What is the throughput? How does hdfs give great throughput?

Can you define parquet file?

275

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