Write the one-page rollout brief before flipping the flag
1 hr
Flag enabled. Watching error rate + conversion.
Verify the kill switch actually works in production
30 min
Error rate +0.05% — within tolerance. Continue.
Choose the cohort scheme: random, sticky, attribute
1 hr
Error rate stable. Conversion +2% vs control. Promoting to 100%.
Roll out to 1% and watch for 24 hours
24 hr observation window
Full rollout. Flag retire scheduled in 14 days.
Advance to 10% and start measuring
48-72 hr observation
Advance to 50%, then 100% with a 24-hour gap
48 hr at 50%, then immediate to 100%
Communicate the rollout to the team and customer success
1-2 hr
Wait 7-14 days at 100% before declaring victory
7-14 days observation
Remove the flag from the codebase
Half a day to a day
Run a 30-day post-rollout review
30 min retro