k6逆引きメモ

必要に迫られたk6の逆引きメモです

概要

k6はREST API等の負荷テストを行えるツールになります

Docker Containerでの実行

Docker Container→ホスト間にてテストを行います

k6テストスクリプト

import http from 'k6/http';
import { sleep } from 'k6';
import { check } from 'k6';

export let options = {
    vus: 10,
    iterations: 1000
};

export default function () {
    let res8 = http.get('http://host.docker.internal:80/api/v1/test', {timeout: '1s'});
    check(res8, {
        'status was 200': (r) => r.status == 200
    });
    sleep(1);
}

実行

docker run --rm -v ./test.js:/test.js grafana/k6 run /test.js

実行結果

running (02m46.0s), 10/10 VUs, 1605 complete and 0 interrupted iterations
default   [  80% ] 10 VUs  02m46.0s/10m0s  1605/2000 shared iters

     ✗ status was 200
      ↳  92% — ✓ 1490 / ✗ 125

     checks.........................: 92.26% ✓ 1490     ✗ 125
     data_received..................: 5.3 MB 32 kB/s
     data_sent......................: 240 kB 1.4 kB/s
     http_req_blocked...............: avg=5.86ms   min=0s     med=3.18ms  max=109.98ms p(90)=9.88ms   p(95)=17.16ms
     http_req_connecting............: avg=5.58ms   min=0s     med=3ms     max=105.06ms p(90)=9.6ms    p(95)=16.96ms
     http_req_duration..............: avg=15.66ms  min=0s     med=10.98ms max=150.46ms p(90)=25.39ms  p(95)=39.93ms
       { expected_response:true }...: avg=15.7ms   min=7.86ms med=11.01ms max=150.46ms p(90)=25.27ms  p(95)=39.72ms
     http_req_failed................: 7.73%  ✓ 125      ✗ 1490
     http_req_receiving.............: avg=543.98µs min=0s     med=354.1µs max=8.47ms   p(90)=1.1ms    p(95)=1.61ms
     http_req_sending...............: avg=199.22µs min=0s     med=148.6µs max=61.16ms  p(90)=226.46µs p(95)=252.4µs
     http_req_tls_handshaking.......: avg=0s       min=0s     med=0s      max=0s       p(90)=0s       p(95)=0s
     http_req_waiting...............: avg=14.91ms  min=0s     med=10.41ms max=150.02ms p(90)=24.13ms  p(95)=39.5ms
     http_reqs......................: 1615   9.722711/s
     iteration_duration.............: avg=1.03s    min=1.01s  med=1.01s   max=2s       p(90)=1.03s    p(95)=1.06s
     iterations.....................: 1605   9.662508/s
     vus............................: 10     min=10     max=10
     vus_max........................: 10     min=10     max=10


running (02m46.1s), 00/10 VUs, 1605 complete and 10 interrupted iterations
default ✗ [  80% ] 10 VUs  02m46.1s/10m0s  1607/2000 shared iters
time="2099-01-01T01:02:34Z" level=error msg="test run was aborted because k6 received a 'interrupt' signal"