容器的资源限制:
    CPU:
    RAM:
    Device:
    —device-read-bps value Limit read rate (bytes per second) from a device (default [])
    —device-read-iops value Limit read rate (IO per second) from a device (default [])
    —device-write-bps value Limit write rate (bytes per second) to a device (default [])
    —device-write-iops value Limit write rate (IO per second) to a device (default [])

    https://blog.51cto.com/10461810/2155441