netdev - Re: [PATCH/RFC] make unregister_netdev() delete more than 4 interfaces per second

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Message-Id: <200910211539.01824.opurdila@ixiacom.com>
Date:	Wed, 21 Oct 2009 15:39:01 +0300
From:	Octavian Purdila <opurdila@...acom.com>
To:	Benjamin LaHaise <bcrl@...et.ca>
Cc:	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	Cosmin Ratiu <cratiu@...acom.com>
Subject: Re: [PATCH/RFC] make unregister_netdev() delete more than 4 interfaces per second

On Sunday 18 October 2009 21:21:44 you wrote:
> > The msleep(250) should be tuned first. Then if this is really necessary
> > to dismantle 100.000 netdevices per second, we might have to think a bit
> > more. 
> > Just try msleep(1 or 2), it should work quite well.
> 
> My goal is tearing down 100,000 interfaces in a few seconds, which really
>  is  necessary.  Right now we're running about 40,000 interfaces on a not
>  yet saturated 10Gbps link.  Going to dual 10Gbps links means pushing more
>  than 100,000 subscriber interfaces, and it looks like a modern dual socket
>  system can handle that.
> 

I would also like to see this patch in, we are running into scalability issues 
with creating/deleting lots of interfaces as well.

Thanks,
tavi
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