146 lines
6.9 KiB
JSON
146 lines
6.9 KiB
JSON
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{
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"schema_version": "0.1",
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"record_kind": "workload_demand_forecast",
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"resource_id": "resource:tenant:coulomb:coulomb-social",
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"service_id": "coulomb-social",
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"workload_id": "coulomb-social",
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"tenant_id": "tenant:coulomb",
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"environment": "production",
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"cost_attribution_key": "resource:tenant:coulomb:coulomb-social",
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"currency": "EUR",
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"forecast_version": "csoc-demand-2026-08-v1",
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"created_at": "2026-08-12T09:03:47Z",
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"horizon_months": 12,
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"planning_period": {
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"start": "2026-09-01",
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"end": "2027-08-31"
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},
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"tenancy_model": {
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"deployment_shape": "instance_per_client",
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"this_record_scope": "single Coulomb reference instance on shared Railiance capacity",
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"current_tenant": "tenant:coulomb",
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"external_client_instances": "each future paying client is a separate deployment and its own resource id — not rolled into these scenarios"
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},
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"declared_capacity_floor": {
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"replicas": 1,
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"cpu_request_millicores": 100,
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"cpu_limit_millicores": 1000,
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"memory_request_mi": 256,
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"memory_limit_mi": 1024,
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"source": "railiance-apps/charts/coulomb-social/values.yaml"
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},
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"proxies": {
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"units": {
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"active_tenants": "count of tenant_id values with activity in period",
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"active_members": "count of Member rows with session activity in period (proxy: monthly active)",
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"http_requests_per_month": "application HTTP requests (ingress to app Service)",
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"oidc_logins_per_month": "successful OIDC/dev login completions",
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"background_jobs_per_month": "async/worker jobs (none in v1 runtime — reserved)",
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"app_database_gb": "logical size of coulomb_social_db on apps-pg",
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"app_database_growth_pct_per_month": "month-over-month logical DB growth",
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"stored_media_gb": "app-owned binary media (PV or object store); Forgejo markdown is NOT counted here",
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"forgejo_content_gb_bound": "markdown/assets bound for spaces of this tenant (shared Forgejo service; attribution only)",
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"ingress_gb_per_month": "bytes into the app Service",
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"egress_gb_per_month": "bytes out of the app pod (HTML + API responses; excludes Forgejo browser edits)",
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"cpu_request_millicores": "declared Kubernetes request",
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"memory_request_mi": "declared Kubernetes request",
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"operator_hours_per_month": "workload-owned ops labor hours (see labor doc)"
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}
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},
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"scenarios": {
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"low": {
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"label": "parallel-host operator use (current posture)",
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"description": "app.coulomb.social live; apex remains Bubble; handful of operator accounts; no bulk member migration.",
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"active_tenants": 1,
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"active_members": 5,
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"http_requests_per_month": 5000,
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"oidc_logins_per_month": 80,
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"background_jobs_per_month": 0,
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"app_database_gb": 0.1,
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"app_database_growth_pct_per_month": 5,
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"stored_media_gb": 0,
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"forgejo_content_gb_bound": 0.01,
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"ingress_gb_per_month": 0.5,
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"egress_gb_per_month": 1,
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"cpu_request_millicores": 100,
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"cpu_limit_millicores": 1000,
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"memory_request_mi": 256,
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"memory_limit_mi": 1024,
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"replicas": 1,
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"operator_hours_per_month": 2,
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"operator_hourly_eur": 60
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},
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"base": {
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"label": "Coulomb community active on rebuild",
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"description": "Members and spaces actively used on app host; Bubble still may exist but primary day-to-day for Coulomb operators/members shifts to rebuild; still single tenant:coulomb instance.",
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"active_tenants": 1,
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"active_members": 50,
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"http_requests_per_month": 150000,
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"oidc_logins_per_month": 1500,
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"background_jobs_per_month": 0,
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"app_database_gb": 1,
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"app_database_growth_pct_per_month": 10,
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"stored_media_gb": 2,
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"forgejo_content_gb_bound": 0.5,
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"ingress_gb_per_month": 5,
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"egress_gb_per_month": 15,
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"cpu_request_millicores": 200,
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"cpu_limit_millicores": 1000,
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"memory_request_mi": 512,
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"memory_limit_mi": 1024,
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"replicas": 1,
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"operator_hours_per_month": 4,
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"operator_hourly_eur": 60
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},
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"high": {
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"label": "full Bubble parity load on this Coulomb instance",
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"description": "All Coulomb spaces/content migrated; peak community concurrency; optional second replica for HA; still NOT multi-client — external clients would be separate instances.",
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"active_tenants": 1,
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"active_members": 500,
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"http_requests_per_month": 2000000,
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"oidc_logins_per_month": 20000,
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"background_jobs_per_month": 5000,
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"app_database_gb": 10,
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"app_database_growth_pct_per_month": 15,
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"stored_media_gb": 50,
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"forgejo_content_gb_bound": 20,
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"ingress_gb_per_month": 40,
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"egress_gb_per_month": 120,
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"cpu_request_millicores": 500,
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"cpu_limit_millicores": 2000,
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"memory_request_mi": 1024,
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"memory_limit_mi": 2048,
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"replicas": 2,
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"operator_hours_per_month": 8,
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"operator_hourly_eur": 60
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}
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},
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"monthly_labor_eur_proxy": {
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"low": 120.0,
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"base": 240.0,
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"high": 480.0,
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"formula": "operator_hours_per_month × operator_hourly_eur",
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"note": "Infrastructure EUR is unknown here (allocated share of cluster/apps-pg/ingress/identity). Leave infrastructure null in cost joins until platform/fin-hub supplies figures."
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},
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"assumptions": [
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"Scenarios are per-instance demand for tenant:coulomb, not fleet-wide multi-tenant aggregation.",
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"Current production posture (2026-08) matches low: parallel host, identity + shell + spaces MVP, Bubble still on apex.",
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"Space page bodies live in Forgejo (ADR-0002); forgejo_content_gb_bound is attribution input for shared Forgejo, not a claim that coulomb-social operates that storage.",
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"App media PV is currently disabled in chart; stored_media_gb remains 0 until object storage or PV is enabled.",
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"No application worker/queue in v1; background_jobs_per_month is 0 until a job system exists (high reserves headroom).",
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"OIDC/identity platform traffic cost is not counted as app infrastructure; only app HTTP path is in http_requests_per_month.",
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"Database is coulomb_social_db on shared apps-pg; logical size ownership is workload, physical volume ownership is railiance-platform.",
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"CPU/memory figures are declared requirements for rightsizing; observed utilization is cluster authority when sampled.",
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"Operator hourly rate €60 matches resource-control backup labor convention for comparability; not a payroll fact.",
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"Falsifiable: after each calendar month, compare active_members, http_requests, app_database_gb, and operator_hours against the chosen scenario band."
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],
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"source_evidence": [
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"docs/resource-evidence/demand-forecast-2026-08.md",
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"docs/adr/ADR-0002-space-content-forgejo-markdown.md",
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"docs/deploy.md",
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"railiance-apps/charts/coulomb-social/values.yaml",
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"resource-control/data/resources/coulomb-social-production.json",
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"workplans/CSOC-WP-0005-resource-demand-and-cost-evidence.md"
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]
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}
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