10 Performance, pitfalls, and anti-patterns
This chapter covers
- Diagnosing and debugging common performance problems with traversals
- Understanding, locating, and mitigating supernodes
- Identifying common application anti-patterns
Our application is built, tested, and delivered to production. We spent a lot of effort designing a system to run in a resilient and scalable manner. However, entropy is not on our side. Everything is humming along perfectly, until one day, we receive that dreaded bug ticket, “Application is slow.” Knowing what’s likely inside, we hesitantly click on the message, and as expected, we’re presented with a vague description that says the application is slow, but otherwise gives little detail.