live progress · 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.

14 of 18checks complete+3 2running now 1blocked 31 minelapsed

Right now

Work

Capture the baseline
14:02
Error rate, p95, order count, and queue depth recorded before the rehearsal. Shadow production traffic
14:08
New and old services agreed on 2,000 sampled checkouts. Cut traffic to the new service
14:19
Guardrails held for ten minutes at 100% traffic. Prove rollback
runningrollback
Old service is live again; order-count comparison is still running. Publish the rehearsal report
next
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

14:19 Cutover complete New checkout took 100% of traffic. 14:29 Guardrails held Error rate 0.08%; p95 181 ms. 14:31 Rollback started Traffic returned to the old service in 42 seconds.