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Date: Fri, 09 Aug 2013 11:41:17 +0200
From: Wido den Hollander <wido@widodh.nl>
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To: dev@cloudstack.apache.org
Subject: Re: [DISCUSS] KVM io throttling
References: <77B337AF224FD84CBF8401947098DD8709E23B@SJCPEX01CL01.citrite.net>
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On 08/09/2013 02:05 AM, Edison Su wrote:
> Hi All,
>       For basic network, the io limit for guest network(nic 2) is 200MB/s, we set the io limit on kvm host as:
>

I think you mean 200Mbit/s?

> </interface>
> <interface type='bridge'>
> <source bridge='cloudbr0'/>
> <mac address='06:45:c4:00:00:0c'/>
> <model type='virtio'/>
> <bandwidth>
> <inbound average='25600' peak='25600'/>
> <outbound average='25600' peak='25600'/>
> </bandwidth>
> </interface>
>
>
>  From libvirt doc(http://libvirt.org/formatnetwork.html), it says above unit is KB/s, but per my testing, it sounds like it's Kb/s. Is there anybody have the same issue?
>

No, my testing tells me it's is KB/sec (KiloByte).

> My libvirt version is 0.9.10 on Centos 6.3.
>

My libvirt version is 1.0.6 under Ubuntu 12.04 using the Cloud Archive 
for OpenStack Havana from Canonical: 
https://wiki.ubuntu.com/ServerTeam/CloudArchive

Wido