Observability

OpenTelemetry Integration

builder.Services.AddOpenTelemetry()
    .WithTracing(tracing => tracing
        .AddServiceBusInstrumentation())
    .WithMetrics(metrics => metrics
        .AddServiceBusInstrumentation());

Built-in Metrics

Metric	Description
servicebus.processor.messages.received	Messages received counter
servicebus.processor.messages.completed	Messages completed counter
servicebus.processor.messages.abandoned	Messages abandoned counter
servicebus.processor.messages.deadlettered	Messages dead-lettered counter
servicebus.processor.processing.duration	Processing duration histogram
servicebus.sender.messages.sent	Messages sent counter
servicebus.sender.send.duration	Send duration histogram

Built-in Traces

• Span per message processing with:
  • Message ID, correlation ID, session ID
  • Queue/topic/subscription names
  • Delivery count, enqueued time
  • Processing result (completed, abandoned, dead-lettered)
  • Exception details on failure