Step functions

Question 1

What are clues in a question that point to using Step functions?

Answer 1

Workflow, entire process, tracked, managed, automatically

Question 2

What are the Service integration patterns for Step Functions?

Answer 2

1. Request response (default) – Call a service and move to the next state immediately after receiving an HTTP response. (for quick API calls)

Run a job (.sync) – Call a service and have Step Functions wait for a job to complete. (for Batch jobs)

Wait for a callback with a task token (.waitForTaskToken) – Call a service with a task token and have Step Functions wait until the task token returns with a callback. (for long running response)

Question 3

How do you keep a task active?

Answer 3

• Configure how long a task can wait by setting TimeoutSeconds
• Periodically send a heartbeat from your Activity Worker using SendTaskHeartBeat