https://github.com/damnever/have-fun-1

https://github.com/damnever/have-fun-1

Last synced: 28 days ago
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• Host: GitHub
• URL: https://github.com/damnever/have-fun-1
• Owner: damnever
• Created: 2018-06-01T15:14:23.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2018-06-02T15:57:25.000Z (over 6 years ago)
• Last Synced: 2024-11-18T07:05:09.785Z (about 2 months ago)
• Language: Go
• Size: 11.7 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

        
## None

The current result(use docker) is not what I expected, maybe some thing wrong with network emulation, or docker ..

**NOTE**: problem solved.. see https://github.com/golang/go/issues/25701 for details.

### In Real World (multi-datacenter)

Is there some thing wrong with Golang(IO model/runtime)?

pprof, perf_event and other profile tools doesn't give a shit..

```

$ python client.py --addr 10.xx.xx.xx:8020

0.621856927872 s

0.215888977051 s

0.106964111328 s

0.129124879837 s

0.132770061493 s

0.132673025131 s

0.162160873413 s

0.181607961655 s

0.180653095245 s

0.180568933487 s

[AVG] 0.204426884651 s

$ ./client -addr 10.xx.xx.xx:8020

228.383141ms

96.566201ms

107.525007ms

121.94838ms

127.089427ms

126.70438ms

126.264553ms

126.128879ms

125.931539ms

125.36633ms

[AVG] 131.190783ms

$ ./client -addr 10.xx.xx.xx:8020 -rbufsz 4194304

896.057939ms

843.960815ms

843.428539ms

844.362365ms

843.698511ms

843.693909ms

843.272623ms

843.934291ms

843.394633ms

843.344434ms

[AVG] 848.914805ms

$ python client.py --addr 10.xx.xx.xx:8020 --rbufsz 4194304

0.227913141251 s

0.0962738990784 s

0.102230072021 s

0.12353181839 s

0.141967058182 s

0.170171976089 s

0.172912120819 s

0.172124862671 s

0.171636104584 s

0.171622037888 s

[AVG] 0.155038309097 s

```

### Use docker

```

# build go programs

make build-linux

# build and run containers

docker-compose up -d

docker-compose ps

# download https://github.com/alexei-led/pumba/releases

# delay 25ms

pumba netem --duration 1h delay --time 25 --jitter 0 have-fun-1_server_1

# show results

docker attach have-fun-1_client_1

ping server

sh run_client.sh

# stop containers

docker-compose stop

```