Queuing theory
Courses
edX: Queuing Theory: from Markov Chains to Multi-Server Systems (2019)
Now is archived, but you can find videos on YouTube
Talks
- Queueing Theory in Practice: Performance Modeling for the Working Engineer by Eben Freeman, slides, 2017, LISA17
- Serial systems, single queue/single server model
- Parallel systems
- Universal Scalabilty Law
Universal scalability law
http://www.perfdynamics.com/Manifesto/USLscalability.html
Resources in different languages
Russian
habr.com: Изучаем Latency: теория массового обслуживания, 2018