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> 发件人: Yifeng Sun [mailto:pkusunyif...@gmail.com]
> 发送时间: 2019年12月21日 9:11
> 收件人: William Tu
> 抄送: ; Ilya Maximets
> ; Eelco Chaudron ; Yi Yang
> (杨燚)-云服务集团
> 主题: Re: [ovs-dev] iperf tcp issue on veth using afxdp
>
> This seems to be related to netdev-afxdp's batch size big
This seems to be related to netdev-afxdp's batch size bigger than
kernel's xdp batch size.
I created a patch to fix it.
https://patchwork.ozlabs.org/patch/1214397/
Could anyone take a look at this patch?
Thanks,
Yifeng
On Fri, Nov 22, 2019 at 9:52 AM William Tu wrote:
>
> Hi Ilya and Eelco,
>
On Fri, Nov 22, 2019 at 10:50 AM Ilya Maximets wrote:
>
> On 22.11.2019 18:51, William Tu wrote:
> > Hi Ilya and Eelco,
> >
> > Yiyang reports very poor TCP performance on his setup and I can
> > also reproduce it on my machine. Somehow I think this might be a
> > kernel issue, but I don't know
On 22 Nov 2019, at 19:50, Ilya Maximets wrote:
On 22.11.2019 18:51, William Tu wrote:
Hi Ilya and Eelco,
Yiyang reports very poor TCP performance on his setup and I can
also reproduce it on my machine. Somehow I think this might be a
kernel issue, but I don't know where to debug this. Need
On 22.11.2019 18:51, William Tu wrote:
> Hi Ilya and Eelco,
>
> Yiyang reports very poor TCP performance on his setup and I can
> also reproduce it on my machine. Somehow I think this might be a
> kernel issue, but I don't know where to debug this. Need your suggestion
> about how to debug.
>
>
Hi Ilya and Eelco,
Yiyang reports very poor TCP performance on his setup and I can
also reproduce it on my machine. Somehow I think this might be a
kernel issue, but I don't know where to debug this. Need your suggestion
about how to debug.
So the setup is like the system-traffic, creating 2