Sophos UTM 9.3
Firmware version: 9.313-3
Pattern version: 84602
I've disabled web proxy cache.
I've disabled local logging.
I've increased RAM from 2GB to 4GB.
UTM is running in a VM on Hyper-V (gen 1, VHD fixed disk)
However, it seems that since I updated from 9.209-8 to the current version, I will notice a slow down in WAN (Internet) performance. When I attempt to log into the portal (webadmin), it just sits and spins... eventually yielding a 503 error (?) "Service Unavailable"... yet I can monitor the VM, log into the console, and web traffic is still flowing (however a little degraded).
The only cure seems to be a reboot.. then everything is back to normal.
Looking over my hardware logs, my CPU is practically idle since the last reboot (averaging perhaps 3% to 5% utilization) when looking in "logging and reporting" via the Sophos portal. However, there have been times via my hyper-visor that I've seen the CPU for the VM running at 80% to 90% or more (even though Sophos is saying otherwise).
My memory usage during these periods between reboots grows from 27% to 33%, so I'm not tapping out of RAM.
My partition usages are pretty much flat lining at:
storage: 12%
log: 1.9%
root: 45%
My network traffic is practically flat.. as in none--ziltch--quiet.
So, I'm at a loss.
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