ubuntu - linux，loop0是什麼進程，這麼佔cpu？

Question

我就用dockr安裝了個郵件伺服器自己用，然後top看了下，嚇死我了，之前都是0點多負載。

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Answer 1

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.

看起來你的磁碟壓力太大了。

用 iotop 看看。