Rollback Time Calculator
Estimate how long it takes to roll back a failed deployment to a previous version.
Inputs
Time from deploy to recognizing the failure.
Time to decide to rollback (approval, communication).
Time to execute the rollback (redeploy previous version).
Time to verify the rollback succeeded (healthchecks, smoke tests).
Total Rollback Time
15.0minutes
Human Phase
8.0minutes
Automated Phase
7.0minutes
Total Time
0.25hours
Step by step
Human phase (detect + decide)
5 + 3
= 8.0 min
Automated phase (execute + verify)
4 + 3
= 7.0 min
Total rollback time
8.0 + 7.0
= 15.0 min
How it works
Rollback time = detection + decision + execution + verification. The human phase (detection, decision) is often the longest; automated rollback triggers and pre-baked rollback pipelines can dramatically reduce total time.
Formula
Rollback Time
rollback = detection + decision + execution + verification
- detection
- Time to detect failure
- decision
- Time to decide to rollback
- execution
- Time to execute rollback
- verification
- Time to verify success
Frequently Asked Questions
How can I reduce rollback time?
Automate failure detection (canary analysis, error rate alerts), pre-authorize rollbacks (no manual approval needed), use blue-green deployments for instant traffic switching, and maintain a ready-to-deploy previous version.
Is automated rollback always better?
For clear failures (crash loops, 5xx spikes) yes. For subtle issues (performance degradation, data correctness), human judgment may be needed before deciding to rollback vs. fix forward.