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

464

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Explain about the different types of trformations on dstreams?

279

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Describe the run-time architecture of Spark?

267

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What is the FlatMap Transformation in Apache Spark RDD?

271

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can you run Apache Spark On Apache Mesos?

296

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Describe Partition and Partitioner in Apache Spark?

280

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Describe Accumulator in detail in Apache Spark?

299

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List down the languages supported by Apache Spark?

274

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Discuss the various running mode of Apache Spark?

279

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Describe Spark SQL?

318

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Explain SparkContext in Apache Spark?

306

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What are the types of Transformation in Spark RDD Operations?

266

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Explain first() operation in Apache Spark RDD?

350

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What are the ways in which Apache Spark handles accumulated Metadata?

341

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Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

269

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