{
  "schema_version": "0.1",
  "record_type": "usage_observation",
  "resource_id": "resource:railiance:apps-pg",
  "source": "railiance-platform",
  "workplan_id": "RAILIANCE-WP-0016",
  "reef": "reef-railiance",
  "captured_at": "2026-08-14T00:04:19Z",
  "identity": {
    "cluster": "apps-pg",
    "namespace": "databases",
    "pod": "apps-pg-1",
    "image": "ghcr.io/cloudnative-pg/postgresql:16",
    "postgres_version": "PostgreSQL 16.13 (Debian 16.13-1.pgdg11+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 10.2.1-6) 10.2.1 20210110, 64-bit",
    "created_at": "2026-08-09T00:15:53Z",
    "phase": "Cluster in healthy state"
  },
  "capacity": {
    "instances_provisioned": 1,
    "instances_ready": 1,
    "cpu_request": null,
    "memory_request": null,
    "cpu_limit": null,
    "memory_limit": null,
    "storage_provisioned": "10Gi",
    "storage_class": "local-path",
    "max_connections": 100
  },
  "utilization": {
    "cpu_observed": "9m",
    "memory_observed": "102Mi",
    "pgdata_bytes": 619083120,
    "wal_bytes_since_init": 587202560,
    "sessions": 7,
    "databases": [
      {
        "name": "apps_meta",
        "bytes": 7830551,
        "backends": 0,
        "xact_commit": 14374,
        "xact_rollback": 0,
        "blks_read": 126,
        "blks_hit": 525989,
        "tup_inserted": 0,
        "tup_updated": 0,
        "tup_deleted": 0
      },
      {
        "name": "coulomb_social_db",
        "bytes": 8952855,
        "backends": 0,
        "xact_commit": 14754,
        "xact_rollback": 0,
        "blks_read": 41,
        "blks_hit": 574766,
        "tup_inserted": 982,
        "tup_updated": 77,
        "tup_deleted": 11
      },
      {
        "name": "postgres",
        "bytes": 7830551,
        "backends": 1,
        "xact_commit": 146383,
        "xact_rollback": 0,
        "blks_read": 356,
        "blks_hit": 3445068,
        "tup_inserted": 0,
        "tup_updated": 4,
        "tup_deleted": 0
      },
      {
        "name": "vergabe_db",
        "bytes": 7668239,
        "backends": 0,
        "xact_commit": 0,
        "xact_rollback": 0,
        "blks_read": 0,
        "blks_hit": 0,
        "tup_inserted": 0,
        "tup_updated": 0,
        "tup_deleted": 0
      }
    ]
  },
  "consumers": [
    {
      "database": "coulomb_social_db",
      "workload": "coulomb-social",
      "role": "coulomb_social",
      "cost_attribution_key": "platform:coulomb-social",
      "bytes": 8952855,
      "xact_commit": 14754,
      "backends": 0,
      "share_of_consumer_bytes": 0.5386
    },
    {
      "database": "vergabe_db",
      "workload": "vergabe-teilnahme",
      "role": "vergabe",
      "cost_attribution_key": "platform:vergabe-teilnahme",
      "bytes": 7668239,
      "xact_commit": 0,
      "backends": 0,
      "share_of_consumer_bytes": 0.4614
    }
  ],
  "recovery": {
    "cluster_ready": true,
    "continuous_archiving": true,
    "scheduled_backup_present": false,
    "option_a_target": false,
    "restore_drill_recorded": false,
    "rpo": "unbounded",
    "rto": "undefined",
    "failure_domain": "single-host local-path on railiance01"
  },
  "allocation": {
    "method": "proportional",
    "driver": "database_gb",
    "method_version": "apps-pg-dbbytes-v1",
    "consumer_bytes": 16621094,
    "residual_bytes": 586800924,
    "residual_key": "platform:apps-pg-overhead",
    "notes": [
      "Consumer share is pg_database_size of declared consumer databases only.",
      "Residual is PGDATA minus all non-template databases (WAL and catalogs)."
    ]
  },
  "provenance": {
    "commands": [
      "kubectl get cluster apps-pg -n databases -o json",
      "kubectl top pod -n databases -l cnpg.io/cluster=apps-pg",
      "kubectl exec -n databases apps-pg-1 -c postgres -- du -sb /var/lib/postgresql/data/pgdata",
      "psql non-secret catalog and pg_stat_database queries"
    ],
    "authority": "reef-railiance Kubernetes API + local postgres catalog"
  }
}