On Sat, Mar 6, 2021 at 6:37 AM yf chu <cyflhn at 163.com> wrote: > > no, not vm > > > > > | | > yf chu > | > | > 邮箱：cyflhn at 163.com > | > > 签名由 网易邮箱大师 定制 > > On 03/05/2021 23:37, Matthew Miller wrote: > On Fri, Mar 05, 2021 at 03:54:14PM +0800, yf chu wrote: > > We have experienced a very weird problem. The load of the server machine is very high. We use "pidstat" and find that the disk read io is very high. > > Is this system a VM? > > -- > Matthew Miller > <mattdm at fedoraproject.org> > Fedora Project Leader Hi, Is this due to swapping? what is the output of free -m --- Lee