Un-Answered Questions { Apache Spark }

Explain about the different types of transformations on DStreams?

227


What are the various levels of persistence in Apache Spark?

218


How can you trigger automatic clean-ups in Spark to handle accumulated metadata?

319


What are the disadvantages of using Apache Spark over Hadoop MapReduce?

348


Is it necessary to install spark on all the nodes of a YARN cluster while running Apache Spark on YARN ?

232


Explain about the major libraries that constitute the Spark Ecosystem?

255


What do you understand by Executor Memory in a Spark application?

260


Is Apache Spark a good fit for Reinforcement learning?

208


What is Catalyst framework?

205


What do you understand by Pair RDD?

218


How can you launch Spark jobs inside Hadoop MapReduce?

248


How can you compare Hadoop and Spark in terms of ease of use?

196


Which one will you choose for a project –Hadoop MapReduce or Apache Spark?

204


What do you understand by Lazy Evaluation?

209


How can you remove the elements with a key present in any other RDD?

217