Open Stack

On Mon, 2021-07-19 at 11:39 -0500, hai wu wrote:
> There are random very slow rxdrops for certain OpenStack VMs for their
> network tap interfaces. Please note that this is rxdrop, NOT txdrop.
> 
> I know we could tune txqueuelen and multi-queue for tap network
> interface txdrop issue, but is there any known way to tune for this
> tap network interface rxdrop issue?
i think a rx drop typically means the vswtich/kernel is droping packets so i think
any tuneing you applied would have to be on the kernel side.

with that said you can configure the rxqueue lenght and enabel multi queue will also result in
addtional rx queue so it may help but no i dont know of any one fix for this you will have
to see what turning work in yoru env for your given traffic profile.
> 
> Thanks,
> Hai
>