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Hadoop Interview Questions
Questions Answers Views Company eMail

How do I download and install spark?

297

What is meant by spark in big data?

277

What is shuffle spill in spark?

283

Is spark a special attack?

289

How does rdd work in spark?

297

Which serialization libraries are supported in spark?

332

What is project tungsten in spark?

297

How does broadcast join work in spark?

304

How does apache spark engine work?

315

What do you use spark for?

355

How does executor work in spark?

313

What is in memory processing in spark?

276

Do we need to install spark in all nodes?

276

What is difference between hive and spark?

266

What is spark vcores?

282


Un-Answered Questions { Hadoop }

What are the machine learning algorithms supports in apache mahout?

115


Explain what is shuffling in mapreduce?

628


Why is pig used in hadoop?

577


Define a worker node?

455


What OS Cassandra supports?

65


Is map like a pointer?

921


How is rdd distributed?

325


What is Zookeeper Cluster?

5


What are the types of ambari repositories are available?

54


What is the current version of Hive?

767


Input Split & Record Reader and what they do?

1031


Is it possible to create cartesian join between 2 tables, using hive?

681


What are the ways in which Apache Spark handles accumulated Metadata?

353


What are the basics of zookeeper api?

5


What is the difference between like and rlike operators in hive?

754