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Eric Eastwood ac1419cdca
Only `require.resolve(...)` the path once (#180) 
Perhaps an early optimization or not even needed but doesn't seem wise to keep pulling this over and over (best case it's cached).
 		2023-04-25 00:50:43 -05:00
..
child-process-runner Only `require.resolve(...)` the path once (#180) 2023-04-25 00:50:43 -05:00
hydrogen-render Only `require.resolve(...)` the path once (#180) 2023-04-25 00:50:43 -05:00
lib Migrate from `eslint-plugin-node` to `eslint-plugin-n` (#179) 2023-04-25 00:39:59 -05:00
middleware Add route identifiers for easy metric reporting (#173) 2023-04-19 15:09:51 -05:00
routes Production ready build (#175) 2023-04-24 23:50:53 -05:00
tracing Add domain to tracing service to distinguish different Matrix public archive instances (#76) 2022-10-11 16:03:33 -05:00
README.md Add available Jaeger port (#48) 2022-08-29 14:08:15 -05:00
server.js Enable tracing by config so we can enable from argv, env variable, or config file (#41) 2022-07-14 11:26:53 -05:00
start-dev.js Migrate from `eslint-plugin-node` to `eslint-plugin-n` (#179) 2023-04-25 00:39:59 -05:00

README.md

Tracing

Run the app with the OpenTelemetry tracing.

npm run start -- --tracing
# or
npm run start-dev -- --tracing

Manually:

node --require './server/tracing.js' server/server.js

Traces are made up of many spans. Each span defines a traceId which it is associated with.

Viewing traces in Jaeger

via https://www.jaegertracing.io/docs/1.35/getting-started/

docker run -d --name jaeger \
  -e COLLECTOR_ZIPKIN_HOST_PORT=:9411 \
  -e COLLECTOR_OTLP_ENABLED=true \
  -p 6831:6831/udp \
  -p 6832:6832/udp \
  -p 5778:5778 \
  -p 5775:5775/udp \
  -p 16686:16686 \
  -p 4317:4317 \
  -p 4318:4318 \
  -p 14250:14250 \
  -p 14268:14268 \
  -p 14269:14269 \
  -p 9411:9411 \
  jaegertracing/all-in-one:1.35
Port Protocol Component Function
6831 UDP agent accept jaeger.thrift over Thrift-compact protocol (used by most SDKs)
6832 UDP agent accept jaeger.thrift over Thrift-binary protocol (used by Node.js SDK)
5775 UDP agent (deprecated) accept zipkin.thrift over compact Thrift protocol (used by legacy clients only)
5778 HTTP agent serve configs (sampling, etc.)
16686 HTTP query serve frontend
4317 HTTP collector accept OpenTelemetry Protocol (OTLP) over gRPC, if enabled
4318 HTTP collector accept OpenTelemetry Protocol (OTLP) over HTTP, if enabled
14268 HTTP collector accept jaeger.thrift directly from clients
14250 HTTP collector accept model.proto
9411 HTTP collector Zipkin compatible endpoint (optional)

With Service Performance Monitoring (SPM)