VR

Case Studies

Real-world failure analysis and performance investigations. Each case study follows the structure:

  1. Incident: What happened, impact, duration
  2. Investigation: How it was diagnosed (tools, traces, metrics)
  3. Root Cause: The underlying technical cause
  4. Fix: What was changed and why
  5. Prevention: What monitoring/code change prevents recurrence
  6. Lessons: Generalizable takeaways

Planned Case Studies

Case StudyDomainRoot Cause
01-n-plus-one-at-scale.mdDatabases
02-pool-exhaustion-cascade.mdConnection Pooling
03-cache-cold-start.mdCaching
04-goroutine-leak.mdConcurrency
05-index-regression.mdDatabases

Contributing Case Studies

Case studies must be anonymized (no client/company identifiers) and technically accurate. The root cause must be verifiable and the fix demonstrably effective.