Explain various Apache Spark ecosystem components. In which scenarios can we use these components?

379

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Explain Spark leftOuterJoin() and rightOuterJoin() operation?

300

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List out the difference between textFile and wholeTextFile in Apache Spark?

400

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What are the exact differences between reduce and fold operation in Spark?

448

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Explain countByValue() operation in Apache Spark RDD?

263

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Explain Spark countByKey() operation?

317

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What is Starvation scenario in spark streaming?

344

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Explain the action count() in Spark RDD?

277

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Define the run-time architecture of Spark?

283

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What are the languages in which Apache Spark create API?

296

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What are the features and characteristics of Apache Spark?

287

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Explain Spark streaming?

274

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Explain first() operation in Spark?

345

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Define fold() operation in Apache Spark?

304

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Explain reduceByKey() Spark operation?

298

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