Docker CPU 부하 테스트

1 개요

Docker CPU 부하 테스트

CPU 부하

docker run -it --name cpustress --rm containerstack/cpustress --cpu 1 --timeout 20s --metrics-brief

모니터링

docker stats --format "table {{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}" | tee stats.txt

2 실행예시: cpu 1, timeout 20s

root@localhost:~# docker run -it --name cpustress --rm containerstack/cpustress --cpu 1 --timeout 20s --metrics-brief 

stress-ng: info: [1] dispatching hogs: 1 cpu
stress-ng: info: [1] successful run completed in 20.00s
stress-ng: info: [1] stressor      bogo ops real time  usr time  sys time   bogo ops/s   bogo ops/s
stress-ng: info: [1]                          (secs)    (secs)    (secs)   (real time) (usr+sys time)
stress-ng: info: [1] cpu               3320     20.00     19.98      0.00       165.99       166.17

root@localhost:~# docker stats --format "table {{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}" | tee stats.txt
NAME                CPU %               MEM USAGE / LIMIT
cpustress           100.59%             2.633MiB / 461.8MiB

→ 컨테이너가 사라지면 Ctrl+C 눌러 종료

root@localhost:~# cat stats.txt | grep cpustress
cpustress           0.00%               2.633MiB / 461.8MiB
cpustress           0.00%               2.633MiB / 461.8MiB
cpustress           100.59%             2.633MiB / 461.8MiB
...
cpustress           100.10%             2.633MiB / 461.8MiB
cpustress           99.61%              2.633MiB / 461.8MiB
cpustress           99.61%              2.633MiB / 461.8MiB

3 같이 보기

• docker stats

4 참고

• https://hub.docker.com/r/containerstack/cpustress
• https://github.com/containerstack/docker-cpustress