Disable Alarm Notifications during daily maintenance cycle
It is useless and wasteful to get Health Monitor Alarm Notifications about CPU/Memory use during the daily maintenance cycle. This period is of no concern to hosting site customers and normally experiences high CPU/memory utilization. The only concern with high CPU/memory usage during the Plesk daily maintenance period is if it persists high utilization persists after the "maintenance cycle" has been completed. It is a great annoyance to get Alarm Notifications because of high CPU/memory use during the "maintenance cycle" and makes this feature worthless.
The best solution would be to provide multiple periods with different Health Monitor settings so that expected high use periods can be "blocked out" and other usage periods can have a more useful tailoring of values that might be more relevant to that particular period (eg; more in the afternoon, less in the morning or evening, et cetera).
Unfortunately, we have to close your request, because over the years it has not become quite popular for further implementation.
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IG