hotrod

command
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Published: Feb 7, 2018 License: Apache-2.0 Imports: 1 Imported by: 0

README

Hot R.O.D. - Rides on Demand

This is a demo application that consists of several microservices and illustrates the use of the OpenTracing API. It can be run standalone, but requires Jaeger backend to view the traces. A tutorial / walkthough is available:

Features

  • Discover architecture of the whole system via data-driven dependency diagram
  • View request timeline & errors, understand how the app works
  • Find sources of latency, lack of concurrency
  • Highly contextualized logging
  • Use baggage propagation to
    • Diagnose inter-request contention (queueing)
    • Attribute time spent in a service
  • Use open source libraries with OpenTracing integration to get vendor-neutral instrumentation for free

Running

Run Jaeger Backend

An all-in-one Jaeger backend is packaged as a Docker container with in-memory storage.

docker run -d -p6831:6831/udp -p16686:16686 jaegertracing/all-in-one:latest

Jaeger UI can be accessed at http://localhost:16686.

Run HotROD Application
go get github.com/jaegertracing/jaeger
cd $GOPATH/src/github.com/jaegertracing/jaeger
make install
cd examples/hotrod
go run ./main.go all

Then open http://127.0.0.1:8080

Documentation

The Go Gopher

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Directories

Path Synopsis
pkg
services

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