Answer / Sant Singh

"Spark Execution Engine" refers to the core part of Apache Spark that schedules and executes tasks. It takes tasks from the driver program, splits them into smaller units called stages, and further breaks down stages into tasks assigned to individual worker nodes. The execution engine optimizes the task scheduling using techniques like pipeline stage fusion and query optimization.

Is apache spark a tool?

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What is shuffle read and shuffle write in spark?

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What is full form of rdd?

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What is faster than apache spark?

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What are the features of spark rdd?

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What does map transformation do? Provide an example.

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What is salting in spark?

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Which one will you choose for a project –Hadoop MapReduce or Apache Spark?

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What is data skew and how do you fix it?

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What is the difference between reducebykey and groupbykey?

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What operations does the "RDD" support?

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What is setappname spark?

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