State the difference between persist() and cache() functions.

321

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What is Directed Acyclic Graph(DAG)?

311

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What are Actions? Give some examples.

319

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What is the difference between DSM and RDD?

308

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What do you mean by Persistence?

318

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How to create a Sparse vector from a dense vector?

357

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What are common uses of Apache Spark?

299

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In a very huge text file, you want to just check if a particular keyword exists. How would you do this using Spark?

406

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How is fault tolerance achieved in Apache Spark?

307

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What are the benefits of lazy evaluation?

303

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How does Apache Spark handles accumulated Metadata?

348

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What is lazy evaluation in Spark?

319

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What is the use of checkpoints in spark?

322

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How can Spark be connected to Apache Mesos?

330

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In how many ways RDDs can be created? Explain.

302

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