Degraded Ad Serving for US-East-1

Update timeline

1. monitoring Mar 31, 2026, 02:12 PM UTC

   Mar 31, 10:12 EDT Resolved - The issue has been resolved and system performance has remained stable. We will continue to monitor as a precaution. Mar 31, 06:09 EDT Update - System performance has remained stable following the applied mitigation. We are continuing to monitor to ensure ongoing reliability. Mar 31, 05:00 EDT Monitoring - A mitigation has been applied and we are currently monitoring the system to ensure continued stability. Mar 31, 02:25 EDT Update - We are continuing to investigate the root cause. In the meantime, we have scaled additional capacity in the affected region, which has restored stability to ad serving. We will provide further updates as we learn more. Mar 31, 01:05 EDT Investigating - We are currently investigating degraded ad serving performance in the us-east-1 region.