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

Big Data Interview Questions

Questions Answers Views Company eMail

Do we need scala for spark?

318

What are the components of spark?

295

Is spark sql faster than hive?

304

What is serialization in spark?

334

What is client mode in spark?

335

Which are the methods to create rdd in spark?

301

What is executor cores in spark?

305

Why we use parallelize in spark?

313

What is cluster manager in spark?

331

How do I change hive execution engine to spark?

315

What is spark dynamic allocation?

332

What is driver memory and executor memory in spark?

348

Does spark run mapreduce?

316

Can rdd be shared between sparkcontexts?

302

What is apache spark good for?

298

Un-Answered Questions { Big Data }

Which companies are mostly using Hive ?

834

What is HDFS Federation?

1030

What is the use of cloudera?

491

What is the difference between Job and Task in MapReduce?

661

What causes breaker to spark?

317

Mention what needs to be taken care while adding a column?

What happens in text format?

495

How to keep HDFS cluster balanced?

1138

What are barriers?

What is unstructured data?

708

Explain HCatalog Architecture in Brief?

What is rdd in spark with example?

296

What is lineage graph in spark?

301

What is the method to create a data frame?

329

What is the use of apache flume?

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