Node Observability Overview

Three Pillars

NodeObservabilityContext

All three observability interfaces are bundled into a single NodeObservabilityContext that is accessible via ctx.Observability in every executor:

// NodeObservabilityContext.cs
public class NodeObservabilityContext
{
    public INodeLogger  Logger  { get; }
    public INodeMetrics Metrics { get; }
    public Activity?    Span    { get; }  // Current OTel span
}

// In your executor:
public override async Task<NodeExecutionResult> ExecuteAsync(
    NodeExecutionContext ctx, CancellationToken ct)
{
    ctx.Observability.Logger.LogInformation("Processing order {OrderId}", orderId);
    ctx.Observability.Metrics.IncrementCounter("orders.processed");
    // ...
}

What This Guide Covers