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The machines are workstations running Arch as a host and Windows 10 in a VM. The VMs have an application that queries an Microsoft SQL server. The VMs use bridged adapters.
Queries that return a substantial set of records are very slow and usually result in a timeout: a new behavior occurring since the VBox 7 upgrade. The speed of the bridged adapter's ethernet connection does not appear to be less than expected (1000 Mbps).
The problem occurs on two separate machines using different hardware. One machine is a fresh host install with a fresh Windows 10 VM. The other is an updated host that once ran a VM without problems using Version 6.1. I have verified the integrity of the workstations by running a Debian host with Version 6.1.
I have temporarily worked around the problem with Version 7 by attaching a usb-ethernet adapter directly to the VM and connecting to the SQL server through it. In general, I don't have much faith in the longevity of usb-ethernet adapters so I'd like to find a bridged network solution.
Has any one else had a similar problem with VBox 7 bridged-adapter-throughput and/or compatibility with MS-SQL or similar application? Is their a solution without abandoning the Arch install on these two machines or resorting to my work-around.?
Last edited by herOldMan (2022-12-16 17:30:26)
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I had issue with bridged x11vnc traffic on Arch Host/Endeavour guest with x11vnc traffic since 7.x upgrade, with no apparent cause.
Switching Network Adapter for VM to Paravirtualized Network(virtio-net) improved performance.
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OK, this looks promising.
I'll have to figure out how to install the driver on the Win 10 guest.
I'll return with my results
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Hurray!
Thanks ukjohnd for this tip.
I'm going to use the Paravirtualized Network(virtio-net) option for all my Win 10 Machines.
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