Explain the Parquet File format in Apache Spark. When is it the best to choose this?

357

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Explain lineage graph

318

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Is the following approach correct? Is the sqrt Of Sum Of Sq a valid reducer?

448

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What is Apache Spark and what are the benefits of Spark over MapReduce?

278

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What are the cases where Apache Spark surpasses Hadoop?

281

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What is the bottom layer of abstraction in the Spark Streaming API ?

797

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Which the fundamental data structure of Spark

306

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List the advantage of Parquet file in Apache Spark?

450

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What does map transformation do? Provide an example.

314

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What are the different ways of representing data in Spark?

268

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What are the features of Spark?

291

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What are shared variables in Apache Spark?

318

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What are the various libraries available on top of Apache Spark?

306

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Explain the operations of Apache Spark RDD?

281

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What are the limitations of Apache Spark?

270

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