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?