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 is spark shuffle service?

336

What is meant by rdd in spark?

259

Why do people use spark?

274

What is apache spark written in?

273

Is apache spark in demand?

267

What apache spark is used for?

252

What port does spark use?

316

How spark is faster than hadoop?

267

How rdd can be created in spark?

264

What is paired rdd in spark?

345

What is application master in spark?

277

Do we need hadoop for spark?

297

What is aggregatebykey spark?

263

What is rdd in spark with example?

280

Is apache spark a framework?

275

Un-Answered Questions { Big Data }

If I create a folder in HDFS, will there be metadata created corresponding to the folder? If yes, what will be the size of metadata created for a directory?

What is the role of recordreader in hadoop mapreduce?

734

Explain ingestion in big data?

631

What is Spark DataFrames?

274

How much data is enough to get valid outcome?

622

Explain the Differences between Hive and Spark SQL?

714

Define taskinstance?

512

What is the future of Big Data trend?

627

What is Flatten?

554

What are the components of Apache Spark Ecosystem?

403

Why is Apache Spark faster than Apache Hadoop?

842

When to use coalesce and repartition in spark?

319

Which files are used by the startup and shutdown commands?

720

How can I speed up my spark?

277

Can you define sqoop in hadoop?

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