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Eric Eastwood 02b86a8405
Render pipeline separation of concerns (#64) 
Follow-up to https://github.com/matrix-org/matrix-public-archive/pull/36

Render pipeline separation of concerns:

 1. Run in `child_process`
 2. Hydrogen render
 
It's now just a generic `child_process` runner that runs the Hydrogen render in it. This eliminates the windy path of the 1-4 steps that was only held together by the file names themselves.
 		2022-09-02 20:49:06 -05:00
..
child-process-runner Render pipeline separation of concerns (#64) 2022-09-02 20:49:06 -05:00
hydrogen-render Render pipeline separation of concerns (#64) 2022-09-02 20:49:06 -05:00
lib Better `child_process` error handling v2 - timeouts and actually fail process for error in scope (#62) 2022-09-02 18:49:45 -05:00
routes Render pipeline separation of concerns (#64) 2022-09-02 20:49:06 -05:00
tracing Manually instrument some archive logic (#44) 2022-08-29 14:13:13 -05:00
README.md Add available Jaeger port (#48) 2022-08-29 14:08:15 -05:00
ensure-room-joined.js Add test for joining a new federated room (#31) 2022-08-29 18:56:31 -05:00
fetch-events-in-range.js Add test for joining a new federated room (#31) 2022-08-29 18:56:31 -05:00
fetch-room-data.js Manually instrument some archive logic (#44) 2022-08-29 14:13:13 -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 Render pipeline separation of concerns (#64) 2022-09-02 20:49:06 -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)