Enable hot_standby_feedback on the authentik postgres cluster

Slow authentik reads served by a hot standby exhaust max_standby_streaming_delay and are cancelled with "conflict with recovery", surfacing as HTTP 500s. - set hot_standby_feedback on (SIGHUP reload, no restart)
2026-09-19 13:56:00 +10:00
parent 34dd70435e
commit 7d186a9b36
1 changed files with 4 additions and 0 deletions
@@ -66,6 +66,10 @@ spec:
      dynamic_shared_memory_type: posix
      effective_cache_size: 256MB
      full_page_writes: "on"
+      # Replicas report their oldest xmin to the primary, so multi-second reads on
+      # a hot standby stop exhausting max_standby_streaming_delay and being
+      # cancelled. Retained-dead-tuple cost is negligible on a ~155MB database.
+      hot_standby_feedback: "on"
      log_destination: csvlog
      log_directory: /controller/log
      log_filename: postgres