Spark Executors

Lesson objectives

In this lesson, we will explain the following topics:

• Understand the role and functions of Spark executors.
• Learn how executors execute tasks and communicate results.
• Explore the resource management and lifecycle of executors in a Spark application.

Spark Executors

Spark Executors in Depth

• Executors are processes that run the tasks assigned by the driver.
• Each Spark Application has distinct executor processes.
• Typically, one executor runs per node in most deployment modes.
• Executors’ main function: Execute tasks, return status, and communicate outcomes.

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