Plesk Health Monitor shows high CPU usage for some services;
Load on CPU is shown as the following:
Mail server CPU usage 28.96% (of 1600%, 16 core(s))
In Task Manager > Services MailEnalble SMTP Connector service takes 2-3% of CPU resources.
custom-health-config.xmlconfiguration file downloaded from Health Monitoring > Download Configuration file alarm limits set as:
<service name="Mail" monitor="true">
<alarm level="red" threshold="25" type="absolute"/>
<alarm level="yellow" threshold="20" type="absolute"/>
Incorrect alarm levels for CPU in Health Monitor.
Change Alarm level according to the percentage on the server.
For example: if there are 16 cores and the maximum percentage is 1600%, limits in the Configuration file should be set as 20*16=320.