description Amazon Step Functions Overview
Amazon Step Functions is a service that lets you orchestrate complex workflows by coordinating multiple AWS services like Lambda functions, SQS queues, and ECS tasks into a single, stateful process with built-in error handling and retry mechanisms.
help Amazon Step Functions FAQ
Which AWS services can Amazon Step Functions natively integrate with?
Amazon Step Functions can directly orchestrate over 200 AWS services using service integrations without requiring custom code. This includes triggering AWS Lambda functions, running Amazon ECS or Fargate tasks, and sending messages to Amazon SQS queues.
How does Amazon Step Functions handle unexpected errors and API retries?
Step Functions allows developers to define Catch and Retry fields directly within their Amazon States Language (ASL) definitions. This means you can automatically retry a failed Lambda function based on specific error types, such as `Lambda.TooManyRequestsException`, without manual intervention.
What is the difference between Standard and Express Workflows in Step Functions?
Standard Workflows are designed for long-running, auditable processes and can last up to one year, charging per state transition. Express Workflows are meant for high-event-rate, short-duration workloads lasting up to five minutes, charging based on the number of executions and compute duration.
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