#postgresql

#postgresql2

• 

  Reliability 2026-05-11

  [Messenger Load-Testing, Part 2] There Was a Deadlock Hiding in AI-Generated Code — How We Replaced `unreadCount` with `lastReadAt`

  42.8% errors in 9 minutes, caused by one updateMany

  • #postgresql
  • #prisma
  • #databases
• 

  Scaling 2026-05-04

  [Messenger Load-Testing, Part 1] Building a Reusable Load-Test Environment — Make-based IaC, Observability, and Auth Seeding

  A 7-node production clone, rebuilt with one make command

  • #load-testing
  • #k6
  • #observability