we have a very high CPU usage from the process Garner, i don't find any information about it, do you know which service is behind it?
Garner is basically the reporting daemon. So it looks like, you have a high volume of reports or a broken database.
Can you check, if your reports (Logviewer / Reporting) on box works?
If there are no…
If there are no reports anymore, check the log size: https://support.sophos.com/support/s/article/KB-000035777?language=en_US
Try to restart the daemon.
Yes it's work, we will check the log exported and verify if it's not over charged