Cognite incident

Performance Degradation for Instance Queries

Resolved after 11 days, affecting Cognite Data Fusion UI and Cognite Data Fusion UI and 1 more, on May 28, 2026.

resolved Jun 08, 2026, 09:52 AM UTC

The final rollout of the fix for intermittent Data Modeling performance degradation on az-eastus-1 completed successfully, with no significant latency spikes observed during deployment. Application performance is stable and we have not observed any further issues. This incident is now considered resolved.

Started
May 28, 2026, 09:42 AM UTC
Resolved
Jun 08, 2026, 09:52 AM UTC
Duration
11d
Detected by Pingoru
May 28, 2026, 09:42 AM UTC

Affected components

Cognite Data Fusion UICognite Data Fusion UICognite Data Fusion APICognite Data Fusion APICognite Data Fusion UICognite Data Fusion UICognite Data Fusion APICognite Data Fusion APICognite Data Fusion UICognite Data Fusion UI

Update timeline

  1. investigating May 28, 2026, 09:42 AM UTC

    We are currently investigating reports of very slow queries when fetching instances. Our engineering team is actively analyzing the issue and working to identify the root cause.

  2. investigating May 28, 2026, 10:48 AM UTC

    The issue has been mitigated and service performance has returned to normal. Our team has confirmed the issue is resolved and will continue to monitor the environment to ensure stability.

  3. monitoring May 28, 2026, 03:38 PM UTC

    The issue has been mitigated and service performance has returned to normal. Our team has confirmed the issue is resolved and will continue to monitor the environment to ensure stability.

  4. resolved Jun 08, 2026, 09:52 AM UTC

    The final rollout of the fix for intermittent Data Modeling performance degradation on az-eastus-1 completed successfully, with no significant latency spikes observed during deployment. Application performance is stable and we have not observed any further issues. This incident is now considered resolved.

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