What is the model of a ZooKeeper cluster?

5

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What must we know to work on Zookeeper well?

5

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What do you mean by ZNode?

5

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Explain about the different types of transformations on DStreams?

406

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What are the various levels of persistence in Apache Spark?

326

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

467

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

479

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

362

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Explain about the major libraries that constitute the Spark Ecosystem?

433

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

483

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Is Apache Spark a good fit for Reinforcement learning?

310

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What is Catalyst framework?

309

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What do you understand by Pair RDD?

400

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How can you launch Spark jobs inside Hadoop MapReduce?

333

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

307

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