Distributed Systems By Aaron Stannard, CEO, Petabridge What Were - - PowerPoint PPT Presentation

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Nov 30, 2023 660 likes •848 views

Distributed Tracing: How the Pros Debug Concurrent and Distributed Systems By Aaron Stannard, CEO, Petabridge What Were Going to Cover Microservices and common people problems they cause How distributed tracing solves some of

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Distributed Tracing: How the Pros Debug Concurrent and Distributed Systems

By Aaron Stannard, CEO, Petabridge

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What We’re Going to Cover

Microservices and common “people”

problems they cause

How distributed tracing solves some of these

problems

What distributed tracing is and how it works
The OpenTracing standard and its

implementations

Distributed tracing best practices

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Monoliths and Microservices

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Microservices are for Scaling People

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Microservice People Problems

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Enter Distributed Tracing

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Distributed Tracing Features

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Collecting Distributed Traces

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Tracing Output

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Popular Tracing Implementations

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OpenTracing

Vendor-neutral standard for

facilitating distributed tracing

Enforces a common lexicon

across all tracing products

Helps library and framework

maintainers implement tracing

Defines common carrier

formats for propagating traces between services

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OpenTracing Terminology

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Collecting Trace Data (Code)

var url = "http://localhost:9411"; ITracer tracer = new ZipkinTracer(new ZipkinTracerOptions(url, "DemoApp", debug: true)); ISpanBuilder sb = null; ISpan current = tracer.ActiveSpan; sb = tracer.BuildSpan("actual-op").WithTag("empty", false); if (current != null) { current.Finish(); sb = sb.AsChildOf(current); } current = sb.Start(); current.Finish();

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Trace Propagation

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Carrier Formats

B3 HTTP Headers: X-B3-TraceId: EFFC1D X-B3-ParentSpanId: ACC1DD X-B3-SpanId: 100FFD X-B3-Sampled: 0

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Best Practices

Standardize on carrier formats inside your

services

– i.e. B3 HTTP headers, dictionary formats

Introduce tracing at the infrastructure level, if

you can

– i.e. inject into HTTP request processing pipeline

Use OpenTracing IScopeManager

– Automatically resolves current active Span

Have logging infrastructure inject events into

active span

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