The post mortem action items from the 2022-03-18 Incident: Deploying ndt5 extended views included creating a launch checklist to support the process of making intricate changes with unexpected effects. For example:
Documented steps
Public communication: announce, deploy, announce.
Value-based comparisons.
Validate counts with end to end queries using views (before and after deployments).
Second reviewer of data prior to deployment (if changing behavior (vs adding))
The post mortem action items from the 2022-03-18 Incident: Deploying ndt5 extended views included creating a launch checklist to support the process of making intricate changes with unexpected effects. For example: