live progress ยท rehearsal 4 of 5

Checkout cutover rehearsal

The agent republishes this page as each check finishes. The browser is following the newest version, so statuses and counts change without a refresh. The rollback drill is running now.

checks complete running now blocked elapsed

Right now

Work

Capture the baseline Error rate, p95, order count, and queue depth recorded before the rehearsal. Shadow production traffic New and old services agreed on 2,000 sampled checkouts. Cut traffic to the new service Guardrails held for ten minutes at 100% traffic. Prove rollback Old service is live again; order-count comparison is still running. Publish the rehearsal report Attach timings and name the one blocked follow-up.

Blocked

Finance export reconciliation needs a fixture with a partially refunded order. The rest of the rehearsal does not depend on it; the agent left the check open and moved on.

Latest events

Cutover complete New checkout took 100% of traffic. Guardrails held Error rate 0.08%; p95 181 ms. Rollback started Traffic returned to the old service in 42 seconds.