Fullstory outage, 5 June 2026
NA Data Center: Session Processing Backlog and Partial Data Loss
- Started
- Resolved
- 7 May 2026, 04:00 UTC - reported afterwards
- Impact
- Not stated
Last update from Fullstory
On April 6th, 2026, we introduced a limit on the number of pages that can be recorded in a single session to ensure optimal performance. An unexpected side effect caused our systems to continue collecting excess session data without properly saving it, creating a processing backlog. To resolve this, we quickly paused the limit and significantly increased our system's processing capacity to clear the backlog. Unfortunately, because of the size of the delay, a portion of session data was permanently deleted before it could be successfully archived. Due to ongoing metric degradation as a result of that incident, we experienced a similar build up in our processing backlog on May 18th 2026. Whil...
Read the full incident on the official Fullstory status page
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