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?

347

What is meant by rdd in spark?

281

Why do people use spark?

288

What is apache spark written in?

289

Is apache spark in demand?

281

What apache spark is used for?

264

What port does spark use?

330

How spark is faster than hadoop?

282

How rdd can be created in spark?

275

What is paired rdd in spark?

363

What is application master in spark?

298

Do we need hadoop for spark?

309

What is aggregatebykey spark?

291

What is rdd in spark with example?

296

Is apache spark a framework?

290

Un-Answered Questions { Big Data }

How data is spilt in Hadoop?

700

what is Bloom Filter is used for in Cassandra?

118

Explain what is a difference between an input split and hdfs block?

Mention what is the data storage component used by hadoop?

490

What is a "Parquet" in Spark?

338

Can hbase run without hadoop?

793

Use of version command in hadoop sqoop?

Is there any API available for implementing graphs in Spark?

322

How HDFS helps NameNode in scaling in Hadoop?

What is salary of hadoop developer?

736

What is Balancer in Hadoop?

534

What should be the HDFS Block size to get maximum performance from Hadoop cluster?

mapper or reducer?

1048

Why we use BloomMapFile?

647

Explain HCatLoader and HCatStorer APIs?

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