Telemetry data loss for Drains

lowVercelJul 24, 2026 17:26Duration: -1347m

deploymentconfiguration

Configuration ErrorDeployment Failure

Summary

Between 19:12 and 19:18 UTC on July 23, 2026, telemetry forwarded through Log Drains was not delivered. Logs, traces, and events emitted via drains during this window were dropped and are unrecoverable. Customers with one or more Log Drains configured on their Vercel projects lost telemetry emitted during the affected window. Data emitted outside the 19:12 and 19:18 UTC window was not dropped. We have deployed a fix and adding additional monitoring to detect and prevent this failure mode from

Impact

none

Timeline

Jul 24, 2026 17:26

[resolved] Between 19:12 and 19:18 UTC on July 23, 2026, telemetry forwarded through Log Drains was not delivered. Logs, traces, and events emitted via drains during this window were dropped and are unrecoverable. Customers with one or more Log Drains configured on their Vercel projects lost telemetry emitted during the affected window. Data emitted outside the 19:12 and 19:18 UTC window was not dropped. We have deployed a fix and adding additional monitoring to detect and prevent this failure mode from happening in the future. We know how much you rely on this data, and we sincerely apologize for the disruption.

via statuspage

Lessons Learned

⚠Vercel has experienced 48 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to deployment, configuration have occurred 115 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: Configuration Error, Deployment Failure. Consider implementing preventive measures specific to this failure category.