Incident Library

Organisation

Open Collective

Open Collective · open-collective

1 case · 2023

Root cause Faulty deployment

Component Database Schema migration

Contributing factor Missed in review Unrepresentative staging

Symptom Database overload Lock contention or deadlock

Cases

IL-0524 An index migration locked Open Collective's whole Transactions table and degraded the service for nearly an hourOpen Collective · 2023
Root cause Faulty deployment