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update jaeger documentation

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Cory Schwartz 2021-05-25 23:53:08 -07:00
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documentation/en/jaeger-tracing.md
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@ -12,7 +12,20 @@ Currently it is set up to use Jaeger, though other tracing backends should be fa
To easily run and view tracing locally, first, install jaeger. The easiest way to do this is to [download the binaries](https://www.jaegertracing.io/download/) and then run the `jaeger-all-in-one` binary. This will start up jaeger, listen for spans on `localhost:6831`, and expose a web UI for viewing traces on `http://localhost:16686/`.
Now, to start sending traces from Lotus to Jaeger, set the environment variable `LOTUS_JAEGER` to `localhost:6831`, and start the `lotus daemon`.
Now, to start sending traces from Lotus to Jaeger, set the environment variable and start the daemon.
```bash
export LOTUS_JAEGER_AGENT_ENDPOINT=127.0.0.1:6831
lotus daemon
```
Alternatively, the agent endpoint can also be configured by a pair of environemnt variables to provide the host and port. The following snipit is functionally equivilent to the previous.
```bash
export LOTUS_JAEGER_AGENT_HOST=127.0.0.1
export LOTUS_JAEGER_AGENT_PORT=6831
lotus daemon
```
Now, to view any generated traces, open up `http://localhost:16686/` in your browser.