unkin-agent 9535bad9bc Enable hot_standby_feedback on the authentik postgres cluster (#473)
Authentik serves multi-second API reads from the CNPG hot standbys. Those reads outlive `max_standby_streaming_delay`, so recovery cancels them with `canceling statement due to conflict with recovery`, which authentik surfaces as HTTP 500 — enough to break a terraform apply mid-run.

- set `hot_standby_feedback` on so replicas report their oldest xmin to the primary and long reads stop being cancelled
- SIGHUP reload only, no restart or switchover
- retained-dead-tuple cost is negligible on a ~155MB database

Reviewed-on: #473
Co-authored-by: unkin-agent <unkin-agent@unkin.net>
Co-committed-by: unkin-agent <unkin-agent@unkin.net>
2026-09-19 14:34:33 +10:00
2026-08-30 15:40:06 +10:00
2026-03-01 16:34:01 +11:00

argocd-apps docs

Operational notes for the manifests in this repo.

Doc What it covers
cnpg-backups.md How CNPG Postgres backups (WAL archiving + nightly base backups) to Ceph RGW are configured.
cnpg-restore.md Restoring a CNPG cluster: full recovery, point-in-time recovery, cutover, and gotchas.
authentik-rancher-sso.md Manual runtime step to point Rancher's OIDC auth at the canonical identity.unkin.net issuer and trust the internal CA.
gitea-migration.md Staged cutover of the git.unkin.net forge from the Puppet VM to the gitea namespace.
ca-rotation.md Rolling the internal unkin.net PKI CA (vault-ca-cert): what Reloader restarts automatically vs. manual/CNPG restarts.
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