High rate of errors on control plane

Update timeline

1. investigating Feb 15, 2026, 11:16 PM UTC

   Status: Investigating We're observing a high rate of errors on the production control plane which is causing errors on braintrust.dev and data plane operations. Affected components Web UI / Control Plane (Degraded performance) Centrally-Hosted Data Plane (EU) (Degraded performance) Centrally-Hosted Data Plane (US) (Degraded performance)

2. investigating Feb 16, 2026, 12:11 AM UTC

   Status: Investigating We are repairing the DB which may result in brief downtime. Affected components Centrally-Hosted Data Plane (US) (Partial outage) Web UI / Control Plane (Full outage) Centrally-Hosted Data Plane (EU) (Partial outage)

3. investigating Feb 16, 2026, 12:12 AM UTC

   Status: Investigating We are upgrade DB resources, which may result in brief downtime Affected components Centrally-Hosted Data Plane (US) (Partial outage) Web UI / Control Plane (Full outage) Centrally-Hosted Data Plane (EU) (Partial outage)

4. monitoring Feb 16, 2026, 12:45 AM UTC

   Status: Monitoring DB upgrades have completed, and we have seen error rates go down. Continuing to monitor. Affected components Web UI / Control Plane (Degraded performance) Centrally-Hosted Data Plane (EU) (Degraded performance) Centrally-Hosted Data Plane (US) (Degraded performance)

5. resolved Feb 16, 2026, 12:59 AM UTC

   Status: Resolved We are no longer seeing issues Affected components Centrally-Hosted Data Plane (US) (Operational) Web UI / Control Plane (Operational) Centrally-Hosted Data Plane (EU) (Operational)

6. resolved Feb 16, 2026, 01:08 AM UTC

   Status: Resolved The root cause appeared to be an issue with an upstream dependency (database connection pooler), which we have replaced. We will be writing a full post-mortem with more details. Affected components Centrally-Hosted Data Plane (US) (Operational) Web UI / Control Plane (Operational) Centrally-Hosted Data Plane (EU) (Operational)