How can you minimize data transfers when working with Spark?

347

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Explain about the common workflow of a Spark program?

336

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What do you understand by receivers in Spark Streaming ?

322

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By Default, how many partitions are created in RDD in Apache Spark?

298

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What are broadcast variables in Apache Spark? Why do we need them?

310

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Is it necessary to start Hadoop to run any Apache Spark Application ?

272

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What is write ahead log(journaling)?

308

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Does Apache Spark provide checkpoints?

284

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What is Apache Spark Machine learning library?

312

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What is the use of map transformation?

309

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Explain the run-time architecture of Spark?

296

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List the advantage of Parquet files?

301

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Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

304

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Please provide an explanation on DStream in Spark.

282

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List the languages supported by Apache Spark?

311

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