09 CPU Saturation
degraded · run 2026-05-03 03:00 UTC
Time to first impact
T+0 to 48s. first impact at 12s.
What was injected
CPU Saturation — nothing was injected: this is the worked example
What happened
p99 up 1.9s until the autoscaler added a replica at 48s
Impact
| time to first impact | 12s |
| time impaired | 36s |
Remediation
- Scale on a signal that moves before CPU is exhausted — queue depth or request rate — and set requests so the scheduler places replicas where there is room.