Code RoomCPU pinned after deploy
MediumPrep Room Coding #3089

CPU pinned after deploy

On-callDatabases & SQLReliability & on-callMid–Senior~20 min

One service is pinning CPU at 100% on every instance, and it started right after a deploy. You suspect a hot loop or pathological code path. How do you respond?

What a strong answer looks like

Stop the bleeding first (mitigate), then form hypotheses from real signals. Separate root cause from symptom, communicate status as you go, and close with what prevents a repeat.

0:00 of about 20 min
Which questions mattered is sealed until you submit. Telling you now would just be handing over the edge cases.