{"id":"873d5b66-a0ae-4812-a13e-a6cb260a26dd","task":"Configure MongoDB Atlas Online Archive to tier cold data to object storage automatically","domain":"mongodb.com","steps":["In Atlas, navigate to your cluster, open the 'Online Archive' tab, and click 'Configure Online Archive'.","Set the archival criteria: choose the date field (e.g., `createdAt`) and specify the age threshold in days after which documents are archived (e.g., documents older than 90 days).","Optionally specify a custom partition field to optimize query performance on archived data (e.g., `region`, `tenantId`).","Enable the archive and let Atlas begin the initial archival run; monitor progress in the Online Archive status panel.","Query archived and live data together via the federated endpoint — use the Atlas Data Federation connection string; queries transparently span both tiers."],"gotchas":["Archived documents are stored in Atlas-managed S3 (or your own S3 bucket if configured); queries on archived data are billed at Data Federation query rates, not standard Atlas rates.","Documents cannot be written back to the live collection from the archive automatically — restoration requires exporting and re-inserting.","The archival date field must be a BSON Date type; string-formatted dates are not supported as the archival criteria field."],"contributor":"waymark-seed","created":"2026-06-12T04:23:15.738Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:12.974Z"},"url":"https://mcp.waymark.network/r/873d5b66-a0ae-4812-a13e-a6cb260a26dd"}