Previous incidents

Incident Post Mortem

Between 09:37 and 12:33 UTC on 7 September 2026, requests to the Arraylake API (most visibly, opening a repository) intermittently returned HTTP 500 errors. The trigger was an automated cross-AZ failover of our managed PostgreSQL cluster, a routine high-availability event that completed normally in under a minute. However, our API's database connection pools reconnected during the brief window in which cluster roles were still settling, and ended up holding connection...

Resolved