Slab experienced a major incident on October 27, 2025, lasting 5h 10m. The incident has been resolved; the full update timeline is below.
Update timeline
- investigating Oct 27, 2025, 11:55 AM UTC
We are currently investigating this incident..
- monitoring Oct 27, 2025, 12:35 PM UTC
We implemented a fix and are currently monitoring the result..
- resolved Oct 27, 2025, 05:05 PM UTC
A recent update to part of the cache system introduced performance issues that caused the application to become unresponsive. The initial rollback did not immediately resolve the problem, as the issue was triggered only after the cache reached a specific threshold. A fix has since been implemented and deployed, and the application has been operating normally for the past several hours..