Hi,
I'm running Sophos UTM on a Hyper V Server 2012 R2 Host.
The system has a quad core Intel Xeon E3 1220 v2 with 3.1 GHz, 10 GB RAM.
The VM for Sophos UTM has 2 vCPU's, 4 GB RAM (static, not dynamic), 2 dedicated Intel NICs (Sophos recognize them as Microsoft/Citrix).
Everything is running fine, I don't have any speed problems (neither site loading speed nor download speed) etc. But I'm wondering about the permanent high load average on the Sophos UTM VM.
I thought the "problem" was that the Hyper V Host and any VM was running on the same hard disk drive. So I installed a Samsung SSD for the virtual disks. But this didn't change anything. Almost same load average as before.
Here is the data received by top:
load average: 1.24, 1.32, 1.05
cpu0: 1.7%us, 2.4% sy 0.0%ni, 92.1%id, 0.3%wa, 0.0%hi, 3.4%si, 0.0%st
cpu1: 6.1%us, 3.1% sy 0.0%ni, 90.5%id, 0.0%wa, 0.0%hi, 0.3%si, 0.0%st
Mem: 39454952k total, 2222232k used, 1732720k free, 60264k buffers
Swap: 4194300k total, 0k used, 4194300k free, 854696k cached
more data (several minutes later):
load average: 0.98, 1.20, 1.04
cpu0: 0.3%us, 0.7% sy 0.0%ni, 98.3%id, 0.7%wa, 0.0%hi, 0.0%si, 0.0%st
cpu1: 0.0%us, 0.3% sy 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 39454952k total, 2222112k used, 1732840k free, 61648k buffers
Swap: 4194300k total, 0k used, 4194300k free, 858352k cached
So this isn't a real problem, but I would like to understand, why the load average is that high. Does anybody else how is using Hyper-V has the same high load average? Is this just normal? Or do I have any misconfiguration? Does someone who is runnig the VM on ESXi has the same problem?
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