debug the memory+cpu usage of python applications
### CPU

For local tests:
- https://github.com/benfred/py-spy (to generate flame graphs)
- https://crates.io/crates/oha (to send traffic)

For tests on the prod infra:
- https://medium.com/swlh/introducing-kubectl-flame-effortless-profiling-on-kubernetes-4b80fc181852: to generate flame graphs

related to #2 
debug the memory+cpu usage of python applications: ### CPU

For local tests:
- https://github.com/benfred/py-spy (to generate flame graphs)
- https://crates.io/crates/oha (to send traffic)

For tests on the prod infra:
- https://medium.com/swlh/introducing-kubectl-flame-effortless-profiling-on-kubernetes-4b80fc181852: to generate flame graphs

related to #2 