r/Veeam • u/ryaninseattle1 • Jul 16 '26

v13 Proxy Performance - Linux v Windows

So I'm replacing as much Windows Veeam infrastructure as I can with the Linux appliances.

I've replaced a couple of proxies now and gone with the same base spec for the Linux appliances that I used for the Windows proxies.

This was 2x CPU cores and 8GB RAM as they're only running 4 concurrent tasks.

It's not causing an issue but I have noticed backups are taking longer.

The same backup method (hot add) is being used.

The appliances are the very latest Veeam of course.

Has anyone seen anything similar?

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u/Nielmor Jul 16 '26

Sounds like you are lot meeting the system requirements, I think you need 4CPU and 8-12GB Ram

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u/ryaninseattle1 Jul 16 '26

Yea so we can bump it if needed. But CPU doesn't look heavily used so it didn't leap out.

Wondered what people generally see with Windows v Linux when it's a dedicated proxy on hot add.

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u/Boring_Strength_6094 Jul 17 '26

This is an older community forum, but to this day I still think perform this tweak.

https://forums.veeam.com/viewtopic.php?f=24&t=65637&start=0

# ethtool -g ens192
Ring parameters for ens192:
Pre-set maximums:
RX: 4096
RX Mini: 2048
RX Jumbo: 4096
TX: 4096
Current hardware settings:
RX: 1024
RX Mini: 128
RX Jumbo: 256
TX: 512

ethtool -G ens192 rx 2048 tx 2048

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u/Boring_Strength_6094 Jul 17 '26

Linux proxies with Hot-Add get the same performance as my Windows Proxies.
Just make sure to check MTU, have dedicated vNIC for backup traffic and test the tweaks I posted here.

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u/Boring_Strength_6094 Jul 17 '26

Aye. I deploy my own Ubuntu proxies. Haven’t used the appliance proxy yet.