System is running slowly
ipmi should be a remote control process for system management. Although this is a task to automatically adjust some interfaces by using spare CPU resources, it is still afraid of accidents when it takes up so many resources. And it's been an accident now, anyway, try it anyway
The kipmid_max_busy_us value can be used to change the kipmi scheduling method to reduce CPU usage.
Temporary reduction
echo 100 > /sys/module/ipmi_si/parameters/kipmid_max_busy_us
Permanent reduction (modify the configuration file, the module/system restart will take effect)
echo "options ipmi_si kipmid_max_busy_us=100">/etc/modprobe.d/ipmi.conf
After the modification, I checked the system load, and it really dropped to the normal value.
It is found that a large number of gzip compression processes and sshd processes occupy cpu (in the end, I found that my backup script was set to be executed once every minute, and I gave myself a pit)
It is still started by the root user. After confirming to my colleagues that no one is using it, close it to see the follow-up situation.
pgrep gzip|xargs kill # Find process pid and kill