What is Apache Spark? What is the reason behind the evolution of this framework?

281

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What are accumulators in Apache Spark?

318

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What is the reason behind Transformation being a lazy operation in Apache Spark RDD? How is it useful?

482

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Explain about the different types of trformations on dstreams?

302

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Describe the run-time architecture of Spark?

282

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What is the FlatMap Transformation in Apache Spark RDD?

293

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can you run Apache Spark On Apache Mesos?

311

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Describe Partition and Partitioner in Apache Spark?

303

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Describe Accumulator in detail in Apache Spark?

314

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List down the languages supported by Apache Spark?

293

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Discuss the various running mode of Apache Spark?

291

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Describe Spark SQL?

342

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Explain SparkContext in Apache Spark?

331

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What are the types of Transformation in Spark RDD Operations?

286

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Explain first() operation in Apache Spark RDD?

369

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