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Hadoop Interview Questions
Questions Answers Views Company eMail

Why do people use spark?

274

What is apache spark written in?

273

Is apache spark in demand?

267

What apache spark is used for?

252

What port does spark use?

316

How spark is faster than hadoop?

267

How rdd can be created in spark?

264

What is paired rdd in spark?

345

What is application master in spark?

277

Do we need hadoop for spark?

297

What is aggregatebykey spark?

263

What is rdd in spark with example?

280

Is apache spark a framework?

275

What is the spark driver?

324

What is big data spark?

309


Un-Answered Questions { Hadoop }

What is the task of Spark Engine

328


Name some companies that use Hadoop?

955


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

1112


What is pig properties?

549


What are the different tasks we can perform managing host using ambari host tab?

65


What are the differences between PIG and HIVE?

604


How many instances of tasktracker run on a hadoop cluster?

679


What is the message broker?

483


Is there any difference between FileSink and FileRollSink?

88


What is the purpose of DataNode block scanner?

966


Use of version command in hadoop sqoop?

5


What is apache tajo?

5


is it posible to join multiple fields in pig scripts?

528


What are partitions and tokens in cassandra?

66


In which scenario Hive is good fit?

981