Answer / Jagpreet Singh

In Apache Spark, Lambda functions are anonymous functions that can be passed as arguments to higher-order functions like map, filter, and reduce. They allow for more concise and expressive code by avoiding the need to define separate function objects.

How do you set up a spark?

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List the languages supported by Apache Spark?

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What is cluster manager in spark?

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Explain how can you minimize data transfers when working with spark?

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When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?

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What is a reliable and unreliable receiver in Spark?

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What is the disadvantage of spark sql?

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What is serialization in spark?

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List the functions of Spark SQL?

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Explain the operations of Apache Spark RDD?

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How will you calculate the number of executors required to do real-time processing using Apache Spark? What factors need to be considered for deciding on the number of nodes for real-time processing?

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What is a dstream in apache spark?

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