Big Data Interview Questions
Questions Answers Views Company eMail

What is the future of Big Data trend?

296

Where does Big Data come from?

286

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

306

How big data analysis helps businesses increase their revenue?

360

What are the sources generating big data?

259

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

261

What is Big Data?

286

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

286

What is the difference between big data and cloud computing?

321

What is MapReduce?

1 1082

What MapReduce framework consists of?

753

Can we submit the mapreduce job from slave node?

832

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

630

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

963

What is Reduce only jobs?

1 924


Un-Answered Questions { Big Data }

Can you list some useful zookeeper tools?

1


What is a block and block scanner in HDFS?

701


Explain bloom?

311


Does 'ILLUSTRATE' run a MapReduce job?

300


What are the main features of SPM in Cassandra?

46






State some command line options?

5


What is difference between map and flatmap in spark?

202


How to change Replication Factor For below cases ?

667


What is zookeeper in hadoop?

365


Name some independent extensions that contribute to the Ambari codebase?

50


What do we mean by Paraquet?

328


What is action, how it process data in apache spark

228


What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?

778


Name the scalar data type and complex data types in Pig?

413


What is big data lake?

183