Safest Window—
Calculating weekly recommendations…
Average Risk—
Across recommended windows
Peak Traffic Band—
Most constrained slot this week
Incident-Sensitive Cells—
Hours with strong retrospective overlap
Planner weights: capacity 50%, traffic peaks 25%, incident patterns 25%. Lower score = safer maintenance window.
Recommended windows this week
Three lowest-risk windows, de-duplicated by day so operators get usable weekly options rather than clustered overnight slots.
Weekly risk map
Green cells are easier change windows. Red cells combine heavy traffic, route pressure, and historical incident concentration. Blue outline = recommended.
Low risk
Medium
High
Recommended
Incident-sensitive
Why these windows are safe
Operator checklist
Tick items before announcing or executing a release window. State is saved to sd_release_window_checklist.
Announce maintenance
Select a recommended slot, add change details, then export a Markdown maintenance notice for operator channels.
Preparing maintenance announcement…