docker-compose资源限制&docker资源监控

资源限制设置

• v2：pu_shares，cpu_quota，cpuset， mem_limit，memswap_limit，mem_swappines
  • docker-compose.yml

      version: '2'
      services:
        testservice:
          image: image
          container_name: container_name
          ports:
            - 'ports_out:ports'
          privileged: True
          volumes:
            - /:/rootfs:ro
            - /var/run:/var/run:rw
            - /sys:/sys:ro
            - /var/lib/docker:/var/lib/docker:ro
            - /cgroup:/cgroup:ro
          mem_limit: 512m
          restart: always
    
      networks:
        default:
          external:
            name: br0
    

  • start command：docker-compose up -d
• v3：deploy
  • docker-compose.yml

      version: "3"
      services:
        test:
          image: image
          container_name: container_name
          deploy:
            resources:
              limits:
                cpus: '0.50'
                memory: 500M
      
      networks:
        default:
          external:
            name: br0
    

  • start command：docker-compose --compatibility up -d

监控

• 查看配置：docker inspect container_name| grep Memor/Cpu
• 实时监控资源消耗：docker stats container_name