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diff --git a/docs/tracing/setup.md b/docs/tracing/setup.md index 2cab4d1e..06f89bf8 100644 --- a/docs/tracing/setup.md +++ b/docs/tracing/setup.md @@ -1,14 +1,20 @@ -## OpenTracing Setup +--- +title: Setup +parent: OpenTracing +grand_parent: Development +permalink: /development/opentracing/setup +--- -![Trace when sending an event into a room](/docs/tracing/jaeger.png) +# OpenTracing Setup Dendrite uses [Jaeger](https://www.jaegertracing.io/) for tracing between microservices. Tracing shows the nesting of logical spans which provides visibility on how the microservices interact. This document explains how to set up Jaeger locally on a single machine. -### Set up the Jaeger backend +## Set up the Jaeger backend The [easiest way](https://www.jaegertracing.io/docs/1.18/getting-started/) is to use the all-in-one Docker image: + ``` $ docker run -d --name jaeger \ -e COLLECTOR_ZIPKIN_HTTP_PORT=9411 \ @@ -23,9 +29,10 @@ $ docker run -d --name jaeger \ jaegertracing/all-in-one:1.18 ``` -### Configuring Dendrite to talk to Jaeger +## Configuring Dendrite to talk to Jaeger Modify your config to look like: (this will send every single span to Jaeger which will be slow on large instances, but for local testing it's fine) + ``` tracing: enabled: true @@ -40,10 +47,11 @@ tracing: ``` then run the monolith server with `--api true` to use polylith components which do tracing spans: + ``` -$ ./dendrite-monolith-server --tls-cert server.crt --tls-key server.key --config dendrite.yaml --api true +./dendrite-monolith-server --tls-cert server.crt --tls-key server.key --config dendrite.yaml --api true ``` -### Checking traces +## Checking traces -Visit http://localhost:16686 to see traces under `DendriteMonolith`. +Visit <http://localhost:16686> to see traces under `DendriteMonolith`. |