START 01 / DIAGNOSE
Something is wrong
The system is slow, expensive or fragile, and nobody can tell you why.
Before anyone proposes a rebuild, it is worth knowing what is actually causing the pain. Usually it is two or three things, and usually they are not the ones being blamed.
- Architecture and infrastructure review
- Where the money and the latency actually go
- Failure patterns and what keeps causing them
- A ranked list of fixes with effort against impact
