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GitLab: Elevated errors in rails_request component for AI-assisted services

Affected components: GitLab Duo

Timeline of updates

1. identified2025-09-09 08:27 UTC

   We're seeing elevated errors for the rails_request component, which affects AI-related services like code completion and code generation. We've identified the cause, and a fix is being implemented. Read more about the incident here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20499

2. identified2025-09-09 08:57 UTC

   We're currently waiting for the fix to be completed in production. Updates about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20499

3. identified2025-09-09 09:36 UTC

   We're awaiting the completion of the fix on production. Updates about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20499

4. identified2025-09-09 09:55 UTC

   We're waiting for the fix to be completed in production. Updates about the incident can be found here: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20499

5. resolved2025-09-09 10:12 UTC

   The rollback of production is complete. We are no longer seeing any performance degradation in code suggestion functionality. More info can be found in the issue: https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20499

Rewindex changes for this incident

• Major incident: Elevated errors in rails_request component for AI-assisted services 2025-09-09 08:27 UTC

Impact, status and times are the vendor’s own, as last archived. View on status.gitlab.com (opens in new tab). GitLab profile · Recent GitLab incidents · Markdown · JSON