docker-compose.yml

version: '2'
services:
  SERVICE_NAME:
    image: IMAGE_NAME
    ...
    deploy:
      resources:
        limits:
          cpus: 1
          memory: 1G
        reservations:
          cpus: '0.25'
          memory: 512M
    blkio_config:
      weight: 300
      weight_device:
        - path: /dev/sda
          weight: 400
      device_read_bps:
        - path: /dev/sdb
          rate: '12mb'
      device_read_iops:
        - path: /dev/sdb
          rate: 120
      device_write_bps:
        - path: /dev/sdb
          rate: '1024k'
      device_write_iops:
        - path: /dev/sdb
          rate: 30