Performance issues are harder than outages

When a system is down → obvious. When a system is slow → root cause hunting begins. I wrote a practical guide on Infrastructure Performance Monitoring covering: CPU / Memory / Disk / Network metrics Golden Signals (Latency, Traffic, Errors, Saturation) Alert tuning strategies Capacity forecasting Real production troubleshooting example Full article: English: https://shikhanirankari.blogspot.com/2026/02/opentext-network-operations-management_21.html French: https://shikhanirankari.blogspot.com/2026/02/opentext-network-operations-management_25.html Curious — do you alert on raw metrics or symptom-based signals?