Census experienced a minor incident on December 11, 2025 affecting Census Sync Management UI and Sync Engine, lasting 35m. The incident has been resolved; the full update timeline is below.
Affected components
Census Sync Management UISync Engine
Update timeline
- identified Dec 11, 2025, 06:32 PM UTC
Census is experiencing an outage on web, and we are experiencing degraded sync run activity. We have identified the cause and have applied the fix. We are monitoring system recovery.
- monitoring Dec 11, 2025, 06:39 PM UTC
Census Web has recovered and we are analyzing Sync Runs for impact.
- resolved Dec 11, 2025, 07:07 PM UTC
After investigation, a very small number of Sync Runs may have failed with an inability to connect to our Redis instance. The majority of syncs that ran between 1:19 pm and 1:28 pm EST will have experienced a few minutes of delay, and recovered automatically.