Big Data Interview Questions
Questions Answers Views Company eMail

What is the future of Big Data trend?

313

Where does Big Data come from?

300

What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

324

How big data analysis helps businesses increase their revenue?

376

What are the sources generating big data?

273

What do the four V's of Big Data denote?

275

What is Big Data?

300

Why do we need a new framework for handling big data?

297

What is the difference between big data and cloud computing?

335

What is MapReduce?

1 1114

What MapReduce framework consists of?

763

Can we submit the mapreduce job from slave node?

840

How can we control particular key should go in a specific reducer?

638

How can you add the arbitrary key-value pairs in your mapper?

986

What is Reduce only jobs?

1 961


Un-Answered Questions { Big Data }

As part of optimizing the queries in hive, what should be the order of table size in a join query?

430


Can I do transforms or add new functionality?

91


What is the difference between dataframe and dataset in spark?

186


Explain about the different types of transformations on DStreams?

227


What is Fault Tolerance?

331






What is the maximum size of string data type supported by hive? Mention the hive support binary formats.

390


What does illustrate do in Apache Pig?

622


what is Cassandra- CQL collections?

85


What is ZooKeeper quorum?

5


How is Apache Spark better than Hadoop?

208


What is a combiner in hadoop?

251


What is Combiner in Hadoop?

255


What are the key features of any nosql database?

70


Comparison between Secondary NameNode and Checkpoint Node in Hadoop?

272


How do you handle compression in pig?

296