Answer / Athar Shakeel

SparkContext (often abbreviated as SC) is the entry point for interacting with a Spark cluster. It creates and manages an ApplicationMaster process, provides access to Spark's internal scheduler, and allows the user to create RDDs, submit jobs, and manage configuration settings.

Difference between groupByKey vs reduceByKey in Apache Spark?

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

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What is spark dynamic allocation?

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What are the libraries of spark sql?

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What is Map() operation in Apache Spark?

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

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Describe Accumulator in detail in Apache Spark?

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Why do people use spark?

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Explain the flatMap operation on Apache Spark RDD?

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