Delay in File Status Visibility

Update timeline

1. investigating Apr 30, 2026, 10:38 AM UTC

   Status: Investigating We are investigating an issue that may cause file upload statuses to appear delayed or incorrect. Our engineering team is actively working to identify the root cause and assess the overall impact. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

2. identified Apr 30, 2026, 01:42 PM UTC

   Status: Identified The engineering team has identified the issue and is raising the relevant limits to reduce impact while closely monitoring progress. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

3. identified Apr 30, 2026, 06:35 PM UTC

   Status: Identified Cognite has deployed a configuration change to double the DMS local concurrency limit per pod, aiming to reduce throttling and help clear the file syncing backlog in the az-eastus-1 cluster. The deployment is complete and we are monitoring relevant dashboards to assess its impact on file upload propagation and timeout rates. Affected components Cognite Data Fusion UI (Degraded performance) Cognite Data Fusion API (Degraded performance)

4. monitoring May 01, 2026, 09:37 AM UTC

   Status: Monitoring The limit increases are effective, and we are observing stable conditions for the API. We will monitor the progress and will proceed further depending on the observations. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion API (Operational)

5. resolved May 02, 2026, 06:04 AM UTC

   Status: Resolved The conditions are now stable for the API after observing the fixes applied, Therefore this incident is now resolved. Affected components Cognite Data Fusion UI (Operational) Cognite Data Fusion API (Operational)