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What is spark execution engine?

Question Posted / mahesh singh


What is spark execution engine?..

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.

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