5초 지연 응답을 하는 웹 서버
python-delay-server-info git:(14-week) ✗ python3.10 main.py
serving at port 8080
127.0.0.1 - - [24/Oct/2023 09:36:39] "GET / HTTP/1.1" 200 -python-delay-server-info git:(14-week) ✗ curl localh
ost:8080
<html>
<body>
<p>Server IP: 192.168.123.103</p>
<p>Current Time: 2023-10-24 09:36:39</p>
</body>
</html>
% - create Dockerfile https://hub.docker.com/_/python
docker build -t delay-server-demo .
[+] Building 58.0s (10/10) docker run -it -p 8080:8080 delay-server-demopython-delay-server-info git:(main) ✗ curl localhost:8080
<html>
<body>
<p>Server IP: 172.17.0.2</p>
<p>Current Time: 2023-10-24 00:42:03</p>
</body>
</html>
% brew install k6 # for Mac
choco install k6 # for Windows# create loadtest.k6.js
k6 run loadtest.k6.js
/\ |‾‾| /‾‾/ /‾‾/
/\ / \ | |/ / / /
/ \/ \ | ( / ‾‾\
/ \ | |\ \ | (‾) |
/ __________ \ |__| \__\ \_____/ .io
execution: local
script: loadtest.k6.js
output: -
scenarios: (100.00%) 1 scenario, 1 max VUs, 10m30s max duration (incl. graceful stop):
* default: 1 iterations for each of 1 VUs (maxDuration: 10m0s, gracefulStop: 30s)
data_received..................: 284 B 28 B/s
data_sent......................: 80 B 7.989081322556462 B/s
http_req_blocked...............: avg=1.07ms min=1.07ms med=1.07ms max=1.07ms p(90)=1.07ms p(95)=1.07ms
http_req_connecting............: avg=239µs min=239µs med=239µs max=239µs p(90)=239µs p(95)=239µs
http_req_duration..............: avg=5.01s min=5.01s med=5.01s max=5.01s p(90)=5.01s p(95)=5.01s
{ expected_response:true }...: avg=5.01s min=5.01s med=5.01s max=5.01s p(90)=5.01s p(95)=5.01s
http_req_failed................: 0.00% ✓ 0 ✗ 1
http_req_receiving.............: avg=5s min=5s med=5s max=5s p(90)=5s p(95)=5s
http_req_sending...............: avg=75µs min=75µs med=75µs max=75µs p(90)=75µs p(95)=75µs
http_req_tls_handshaking.......: avg=0s min=0s med=0s max=0s p(90)=0s p(95)=0s
http_req_waiting...............: avg=7.22ms min=7.22ms med=7.22ms max=7.22ms p(90)=7.22ms p(95)=7.22ms
http_reqs......................: 1 0.099864/s
iteration_duration.............: avg=10.01s min=10.01s med=10.01s max=10.01s p(90)=10.01s p(95)=10.01s
iterations.....................: 1 0.099864/s
vus............................: 1 min=1 max=1
vus_max........................: 1 min=1 max=1
running (00m10.0s), 0/1 VUs, 1 complete and 0 interrupted iterations
default ✓ [========================] 1 VUs 00m10.0s/10m0s 1/1 iters, 1 per VUhttps://k6.io/docs/test-authoring/create-tests-from-recordings/using-the-browser-recorder/
- install chrome extention
- record start
- load localhost:8080
- record stop
- export HAR file
- convert HAR to k6 script
- run k6 script
npm install -g har-to-k6
har-to-k6 new-recording_95235.har -o loadtest.k6.fromHAR.js
k6 run loadtest.k6.fromHAR.js time for i in range{1..5}; do curl http://0.0.0.0:8080;donefor i in {1..6}; do
time curl http://0.0.0.0:8080 &
done
---
## run multi instance in docker swarm
https://labs.play-with-docker.com/
```sh
docker swarm init --advertise-addr 192.168.0.8
vi main.py
python main.py
vi Dockerfile
docker build -t delay-server-demo .
vi Dockerfile
docker build -t delay-server-demo .
docker create service delay-server-demo
docker images
docker create service delay-server-demo docker login
docker build --tag martinhong/delay-demo:v4 .
docker build --platform linux/amd64 --tag martinhong/delay-demo:v4 . # for M1 Mac
docker image push martinhong/delay-demo:v4docker service create --name my-web-demo --publish published=8080,target=8080 --replicas 2 martinhong/delay-demo:v4
docker service ls
docker service ps my-web-demo
curl localhost:8080
## Load test with 5 users in sequence and in parallel
```sh
time for i in range{1..5}; do curl http://0.0.0.0:8080;done; time
for i in {1..6}; do
time curl http://0.0.0.0:8080 &
done
history | cut -c 8-