Yes, that is true. My case here was about pushing some metrics somewhere, where losing some weren't an issue, but I didn't want to block main thread doing it.

Yes, that is true. My case here was about pushing some metrics somewhere, where losing some weren't an issue, but I didn't want to block main thread doing it. But this single java app on some EC2 instance could do what you need 10 "apps" and possibly a complicated k8s deployment to handle with python. Some just because the raw performance of python is far worse, but most of it because of cases like this, where simple things can't be shared. So lots of unnecessary complexity compared to "old and verbose" java. Another example is prometheus metrics. The current app I'm working on doesn't have a webserver. Which makes it really awkward in python to add prometheus. Since adding an endpoint to my app creates a new process and needs to be deployed almost as a sidecart, there is no smooth way to actually get the metrics from my main app to the endpoint that can be scraped since they don't share the same process.