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?

295

What does repartition do in spark?

347

What is the driver program in spark?

312

What is spark submit?

301

How do I clear my spark cache?

287

What is a partition in spark?

399

What is spark vectorization?

334

What is off heap memory in spark?

326

What is a tuple in spark?

300

Is spark an etl?

307

How is rdd distributed?

340

What are the common transformations in apache spark?

305

What is the difference between dataset and dataframe in spark?

391

What is distributed cache in spark?

368

What is catalyst framework in spark?

322

Un-Answered Questions { Big Data }

How do I start a spark server?

311

State some impala hadoop benefits?

How can we kill a topology?

604

Can you explain bloommapfile.

512

Define the term Column Families?

Can hive queries be executed from script files? How?

697

How does hdfs give great throughput?

Explain the different logging levels in cassandra.

Explain how Hadoop cluster hardware planning and provisioning is done?

614

is there a standard procedure to deploy hadoop?

467

What is the command for archiving a group of files in hdfs.

How can a developer utilize hive?

735

What are some of the interesting facts about Big Data?

686

Explain what if rack 2 and datanode fails?

678

Explain what is the row key?

153

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