Re: VM port speed is slow

Granwille Strauss Fri, 30 Sep 2022 05:38:29 -0700

Hello

Rebooting the entire KVM & CM server solved the issue. VMs can now enjoy full 1 Gbps speeds. Thank you for the input guys.


On 9/30/22 13:20, Granwille Strauss wrote:

Attached shows I have all settings in place, but VM still limited to 200 Mbps


On 9/30/22 13:17, Granwille Strauss wrote:

hmm

even after virtual router reboot and vm reboot, the speed remains limited to 200 Mbps. I am not aware of any VM limits that can be in place in the VM config, could you perhaps give some insight were in Almalinux 8 I would need to dig?


Or should reboot entire KVM and or CM server?

On 9/30/22 13:03, Granwille Strauss wrote:

Hi

Awesome, it seems after updating network.throttling.rate and vm.network.throttling.rate from 200 to 1000 the default network offerings updated too. So there's no need to update the network with a new network offering, I assume.


I am going to reboot vrouter now and vm and see what happens.

On 9/30/22 13:00, Wei ZHOU wrote:

Hi,

You can update the network to a new network offering. Please pay attention to the services list (would be better to be same as default/existing network offering)


-Wei

On Fri, 30 Sept 2022 at 12:59, Granwille Strauss <granwi...@namhost.com> wrote:


    Oh no, does this mean I need to delete my existing network and
    create a new one? If yes, will the same public IPs assigns to
    existing VMs again?

    On 9/30/22 12:56, Wei ZHOU wrote:

    Yes.

    The network rate is set not only on the virtual router, but also on virtual
    machines as well.

    Please also check global settings

    network.throttling.rate
    vm.network.throttling.rate

    -Wei

    On Fri, 30 Sept 2022 at 12:31, Ruben Bosch<ruben.bo...@cldin.eu>  
<mailto:ruben.bo...@cldin.eu>  wrote:

    Hi Granwille,

    Check your network offerings. They come with a default 200Mb/s rate limit.

    Met vriendelijke groet / Kind regards,

    Ruben Bosch
    CLDIN

    On 30 Sep 2022, at 12:24, Granwille Strauss

    <granwi...@namhost.com.INVALID>  <mailto:granwi...@namhost.com.INVALID>  
wrote:

    Hello

    My KVM host has a 1 Gbps port speed. And if I run speed test on KVM I

    get good +900 Mbps speeds as expected.

    But when I ssh into VM and run same test speed to same test server, I

    get speeds of ~190 Mbps, its as if there is a 200 Mbps limit. I checked
    documentation and I cannot see anything where I can change VM speed limit.

    Is there a way to fix this? Keep in mind this is public traffic.

    --
    Regards / Groete

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Re: VM port speed is slow

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