Actix-web has a set of useful settings:

• max simultaneous connections
• max connection accept rate
• client timeout
• keepalive

These settings should be configurable without OSUS rebuild. Load testing would help us identify which params are helping us with requests. For example, keepalive most likely needs to be set to 0 due to the nature of our application.

Another usecase for this is to prevent thundering herd from increasing our latency - we should reject connections we can't handle in n seconds (currently the target is 0.5 ideally)