Algo Brief on Instagram: "Interesting fact: During a real on-call incident, the hardest part of debugging often isn’t fixing the bug — it’s reconstructing the exact state the system was in when it failed. Logs may be sampled, metrics are aggregated, and the offending pod might already be rescheduled by Kubernetes before you even look at it. That’s why experienced on-call engineers rely on correlation IDs, high-cardinality metrics, and “debug builds in prod” techniques — because by the time you w