Quick Linux Performance Diagnosis: Resolve in 60 Seconds!
1. Why Diagnose in 60 Seconds? Scenario: Woken up by an alarm in the middle of the night, the boss is demanding answers, and users are complaining that the website is down. Goal: Identify in the shortest time (60 seconds) which hardware resource (CPU/memory/disk/network) is causing the issue, and then immediately **”stem the bleeding”**. Principles: … Read more