Step Function Basics
Discover what Step Functions are and how they can be used.
We'll cover the following...
How do Step Functions work?
Typically, each AWS Lambda function is designed to perform a single action and run within a limited amount of time. However, sometimes we need to perform tasks that involve multiple steps and take several minutes, or even hours, to run. For example, we may want to perform an ETL process on a large volume of data. AWS uses Step Functions for this functionality.
Step Functions work by running multiple AWS services in a coordinated fashion. Typically, the output from one service represents an input to another service. AWS Lambda is frequently used in Step Functions to execute specific steps of the process.
There are two ways a Step Function can be configured:
A visual drag-and-drop diagram
A JSON-based Amazon States Language (ASL)
We’ll take a look at some examples of both. ...