Salesforce experienced a performance degradation affecting the Change Data Capture service on the USA920 instance, causing delays in event delivery to customers. The issue was caused by a high volume of events overwhelming the event processing system and creating a backlog, compounded by backend communication problems. The incident lasted 42.9 hours and was resolved by restarting backend services and implementing measures to prevent further backlog growth while the system processed the accumulated events.
At 17:30 UTC on February 26, 2026, we identified a performance degradation impacting the Change Data Capture service on the USA920 instance. Customers are experiencing delays in receiving Change Data Capture events.
We have identified that a high volume of events have overwhelmed the event processing system, creating a backlog. We have taken action to prevent further backlog growth and initiated a restart of backend services to address communication issues that were preventing the system from clearing the backlog efficiently. The system is now actively processing the backlog.
We’ll provide an update upon significant updates, or sooner if additional information becomes available.
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