Web & Application Troubleshooting

  1. 1. From Layer to Symptom: What This Course Adds
  2. 2. Reading 5xx Errors as a Diagnostic Language
  3. 3. Database Connection Pool Exhaustion
  4. 4. Caching Layer Problems: Stale Data & Cache Stampede
  5. 5. Session & State Issues in Load-Balanced Environments
  6. 6. Slow Query & N+1 Diagnosis
  7. 7. Deployment-Related Symptoms: Version Skew & Migration Failures
  8. 8. Health Checks, Readiness Probes & Graceful Shutdown
  9. 9. Rate Limiting & Throttling Symptoms
  10. 10. Capstone — Triaging Three Real Application Tickets