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?

255

What does repartition do in spark?

316

What is the driver program in spark?

279

What is spark submit?

267

How do I clear my spark cache?

255

What is a partition in spark?

346

What is spark vectorization?

301

What is off heap memory in spark?

289

What is a tuple in spark?

268

Is spark an etl?

273

How is rdd distributed?

301

What are the common transformations in apache spark?

263

What is the difference between dataset and dataframe in spark?

344

What is distributed cache in spark?

328

What is catalyst framework in spark?

296

Un-Answered Questions { Big Data }

What is 'jps'?

399

What is RDD Lineage?

389

How hdfa differs with nfs?

671

Discuss about the different tombstone markers used for deletion purposes in HBase.?

175

The partition of hive table has been modified to point to a new directory location. Do I have to move the data to the new location or the data will be moved automatically to the new location?

952

Which all languages Apache Spark supports?

319

Developing a MapReduce Application?

900

What is setmaster in spark?

285

What is a namenode in hadoop?

Define column families?

169

Can you explain smb join in hive?

677

how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

743

What is shuffle in spark?

386

What are the features of apache mahout?

What are the different pig data types?

689

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