Hi Andrija,

We used that to for KVM.

Another question. There is a „vm.network.throttling.rate“ in global settings. 
What they do? Any information?

Cheers

Sven


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Sven Vogel
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> Am 22.11.2019 um 17:18 schrieb Riepl, Gregor (SWISS TXT) 
> <[email protected]>:
>
> Thanks for the clarification, Andrija.
>
> We're mostly using ESX here, but I do think it will work similarly, with the 
> limit being applied to the vNIC.
> ________________________________
> From: Andrija Panic <[email protected]>
> Sent: 22 November 2019 16:32
> To: Riepl, Gregor (SWISS TXT) <[email protected]>
> Cc: users <[email protected]>
> Subject: Re: Limit network speed in per VM basis
>
> Setting Network rate on the Compute Offering (or simply inherit the global 
> setting and NOT explicitly set it on offering) will simply throttle the vnet 
> (vNIC) speed of the VM's interface. This is done with "tc qdisc...." on linux 
> (KVM) host.
>
> For the VR, what I do know (at least for KVM...) is that whatever is the 
> network rate applied to the Public NIC of the VR, that same network rate is 
> applied to all other NICs of the VR. This is also done via network rate set 
> on the Service Offering for VR (or simply inheriting the global values)
> So, it's not possible to have i.e. 100 Mbps link to internet, while having 
> 1000 Mbps routing between internal networks (talking about isolated/vpc 
> networks) Again, this is for KVM specifically. I haven't tested this 
> thoroughly with Vmware/XS so far, network throttling is implemented 
> differently there (on the network/vSwitch level)
>
> On Fri, 22 Nov 2019 at 15:28, Riepl, Gregor (SWISS TXT) 
> <[email protected]<mailto:[email protected]>> wrote:
> Is this really applied to each VM?
>
> I was under the impression that you could only limit network bandwidth on the 
> network offering.
>
> How is this implemented exactly? Does it limit the NIC speed of the 
> individual VMs, or does it only apply to external traffic on the VR?
> ________________________________
> From: Andrija Panic <[email protected]<mailto:[email protected]>>
> Sent: 14 November 2019 10:14
> To: users <[email protected]<mailto:[email protected]>>
> Subject: Re: Limit network speed in per VM basis
>
> you can set network rate while creating the offering.
> for existing offerings, you need to dig into the DB:
>
> SELECT id FROM disk_offering WHERE NAME="<OFFERING-NAME-HERE>"
> UPDATE service_offering SET nw_rate="200" WHERE id=<ID-FROM-ABOVE-HERE>
>
> stop and start existing VMs to apply the new setting
>
> On Wed, 13 Nov 2019 at 21:12, Fariborz Navidan 
> <[email protected]<mailto:[email protected]>>
> wrote:
>
>> It is not possible to modify network rate of a compute offering even if it
>> is a custom offering. Is there any setting key I can add to a VM's setting?
>>
>> On Wed, Nov 13, 2019 at 11:35 PM Andrija Panic 
>> <[email protected]<mailto:[email protected]>>
>> wrote:
>>
>>> with KVM, you can set rate for each VM on the Compute Offering - or use
>> one
>>> of 2 global settings...
>>>
>>> On Wed, 13 Nov 2019 at 21:00, Fariborz Navidan 
>>> <[email protected]<mailto:[email protected]>>
>>> wrote:
>>>
>>>> Hello,
>>>>
>>>> Is there any way in ACS to limit network speed in per VM basis?
>>>>
>>>> Thanks all
>>>>
>>>
>>>
>>> --
>>>
>>> Andrija Panić
>>>
>>
>
>
> --
>
> Andrija Panić
>
>
> --
>
> Andrija Panić

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