47 lines
2.7 KiB
JSON
47 lines
2.7 KiB
JSON
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{
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"schema_version": "0.2",
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"record_type": "usage_observation",
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"workload": "rapp-postgres/platform-pg",
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"cost_attribution_key": "platform:audit-storage",
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"provider_id": "scaleway-standard-multi-az",
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"created_at": "2026-08-14T18:24:00Z",
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"scenario": "observed",
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"forecast_ref": "data/forecasts/platform-audit-storage-scaleway-base-2026-08.json",
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"rows": [
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{
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"period": "2026-08",
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"database_gb": 0.6365,
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"stored_gb": 0.0066,
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"wal_gb": null,
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"restore_egress_gb": null,
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"write_requests": null,
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"read_requests": null,
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"infrastructure_eur": null,
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"internal_labor_hours": null,
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"internal_labor_eur": null,
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"total_eur": null,
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"backup_success_pct": 100,
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"restore_rto_minutes": 1.08,
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"measurement_gaps": [
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"wal_gb: the 8 objects in prefix platform-pg/ hold the first base backup and its WAL together; the T05 evidence does not separate them",
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"restore_egress_gb: two scratch restores read from the bucket but bytes transferred were not recorded (owner: resource-control, add to the next drill)",
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"write_requests, read_requests: no request metric is exposed to the scoped backup key (owner: resource-control, needs a Scaleway usage export)",
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"infrastructure_eur: no invoice for a resource commissioned 2026-08-14; the Scaleway billing API is denied to this key by design (owner: fin-hub, FIN-WP-0004)",
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"internal_labor_hours: procurement, credential custody, and two restore drills were performed in this period but no time record was kept (owner: resource-control)"
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]
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}
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],
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"evidence": [
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"docs/evidence/RESOURCE-WP-0002-T05-restore-2026-08-14.json",
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"data/resources/platform-audit-storage.json",
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"reef:storage/substrate/object-stores/platform-audit-storage.yaml"
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],
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"notes": [
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"First real observation for this resource. It went live mid-period: bucket created 2026-08-14T16:21:56Z, first backup 2026-08-14T18:14:21Z, so 2026-08 covers roughly four hours of operation, not a month.",
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"Backup success is 1 of 1 completed backups, not a month of scheduled runs.",
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"restore_rto_minutes is the full-restore wall time of 65 seconds; PITR measured the same 65 seconds on the second attempt after the recovery target was corrected.",
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"Observed RPO: archive_timeout is 5 minutes and a WAL segment archived about 2 seconds after pg_switch_wal, so the measured RPO is well inside the 5-minute requirement — but on four hours of evidence.",
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"Comparing this period against the 12-month decision forecast will show a very large negative stored_gb error. That is a model artifact, not underuse: the forecast assumes 30 days of retained base backups and WAL at steady state, and this period holds one backup."
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]
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}
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