Outage in Cornerstone
RESURFACED: Intermittent Timeouts Observed on US Production Environment
Resolved MinorIncident Report
Summary AI Generated
Cornerstone's US production environment experienced intermittent backend timeouts that resurfaced from a previous day's issue, affecting customers on swimlanes SL1, SL2, SL3, and SL5 who encountered timeouts while accessing or navigating the application. The engineering team scheduled emergency maintenance for 9:00 PM PT with up to one hour of potential system unavailability. The maintenance was completed successfully after 14.8 hours total duration, resolving the intermittent timeout issues.
CSOD Engineering teams have detected spikes in intermittent timeouts on the backend, indicating that the issue reported yesterday (01 June 2026) has resurfaced. As a result, some customers on the US swimlanes (SL1, SL2, SL3, and SL5) may witness intermittent timeouts while accessing or navigating the application.
Our Engineering teams are actively investigating the issue and working to restore stability. We will provide another update as soon as additional information becomes available.
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Latest Updates ( sorted recent to last )
RESOLVED
12 days ago - at 06/03/2026 05:20AM
The scheduled Emergency maintenance has been completed, and the intermittent timeout issues should be resolved now.
IDENTIFIED
12 days ago - at 06/02/2026 05:51PM
We are planning Emergency Maintenance today at 9:00 PM PT to address this issue. During the maintenance window, the system may be unavailable for up to one hour. Intermittent timeouts may continue until the maintenance is completed. The maintenance is being scheduled outside of peak business hours to reduce overall customer impact. We will continue to provide additional updates as more information becomes available.
INVESTIGATING
12 days ago - at 06/02/2026 02:35PM
CSOD Engineering teams have detected spikes in intermittent timeouts on the backend, indicating that the issue reported yesterday (01 June 2026) has resurfaced. As a result, some customers on the US swimlanes (SL1, SL2, SL3, and SL5) may witness intermittent timeouts while accessing or navigating the application.
Our Engineering teams are actively investigating the issue and working to restore stability. We will provide another update as soon as additional information becomes available.
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