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Vercel Daemons Support OpenTelemetry Traces via Vercel Tracing

·2026.11.13 09:00

Key point

Upgrading @vercel/otel to 2.3.0 enables automatic trace export for Node.js daemons using a provided Unix socket.

Details

  • Vercel Daemons can now send OpenTelemetry traces to Vercel Tracing, allowing inspection of background worker operations alongside project traces.
  • Vercel provides each daemon with a Unix socket for receiving OTLP/HTTP traces, with the path set in VERCEL_OTEL_SOCKET_PATH.
  • Upgrading @vercel/otel to version 2.3.0 or later enables automatic trace export for Node.js daemons using the default configuration.
  • The SDK detects the socket and sends recorded spans to Vercel, which are accessible via the Vercel CLI for searching by service name and returning JSON.
verceltracingopentelemetrynode.jsdaemons
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