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regions: Connections step cap is hit on real data; measure route-snapshot memory (follow-ups to #505) #508
Description
Follow-ups from the #505 review (see the review comment on #505).
- The step cap is hit on real data. On staging (48 h retention),
/api/regions/routesreportssteps: 5000, stepsTruncated: true. meshview-pve (168 h) will be truncated even more, so directed steps are effectively always incomplete. Aggregate step counts per(from, to, scope)across the horizon before capping, or use a size-based budget or a higher cap with a measured payload limit. Today's payload is 5.4 MB raw / 679 KB gzip. - Memory. Container RSS on staging was ~1.72 GiB with feat(regions): explore shared history and observed directed routes #505, against ~1.55 GiB on comparable deploys. Measure the route snapshot's retained size and add it to the memory diagnostics, because production hosts are smaller (meshview.dk: 3.7 GiB RAM shared with other services).
Activity
dborup commentedon Oct 20, 2026
Addendum from the #507 staging check: besides the directed-step cap, the membership capture budget
maxRegionsRoutePaths = 250000(distinct paths, global) is also exhausted on real data. With 48 h retention and about 805k observations,coverage.evidence.capped = 1114in#dkacross 17 of 20 hours. Health and Timeline rates for#dkand "all scopes" are withheld as a result. Redesign the budgets so that a 168 h retention (meshview-pve) is not capped on our network: aggregate per (relay, scope, hour) before storing paths, or use per-scope or per-hour budgets. Treat this as a blocker for the next release that includes the Regions views.reviewfix(regions): drop the global capture ceiling, expose capture h…
dborup commentedon Oct 20, 2026
Fixed by #510 (merged as
6fe9603a717d504a79c391a3982229bc588e1be5).Fixed by #510: Regions capture budgets fit real traffic (per-transmission paths 4096, per-hour budgets, step cap redesigned), with diagnostics for every limit. Verified on staging: capped 0, steps not truncated, RSS ~1.5–1.7 GiB. APPROVE, CI green.