The setting variable you're looking for is most likely PREFECT_API_SERVICES_CANCELLATION_CLEANUP_ENABLED.
However, in the search results, I didn't locate this specific setting. It would be beneficial to check the Prefect settings documentation for the most precise and updated details.
If you still have questions or if this variable is not documented, reaching out on Prefect's Slack or submitting an issue on GitHub might be the next step.
Bring your towel and join one of the fastest growing data communities. Welcome to our second-generation open source orchestration platform, a completely rethought approach to dataflow automation.