問(wèn)題描述

我就用dockr安裝了個(gè)郵件服務(wù)器自己用，然后top看了下，嚇?biāo)牢伊耍岸际?點(diǎn)多負(fù)載。

問(wèn)題解答

In Unix-like operating systems, a loop device, vnd (vnode disk), or lofi (loopback file interface) is a pseudo-device that makes a file accessible as a block device.

看上去你的磁盤壓力太大了。

用 iotop 看看。