netdev - Re: RFC: Should net namespaces scale up (>10k) ?

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Message-ID: <06d2c6fd-6aa2-479b-a7e2-a4d369ea0e66@6wind.com>
Date: Tue, 17 Sep 2024 14:30:15 +0200
From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
To: Eric Dumazet <edumazet@...gle.com>,
 Alexandre Ferrieux <alexandre.ferrieux@...il.com>
Cc: Simon Horman <horms@...nel.org>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>, netdev@...r.kernel.org
Subject: Re: RFC: Should net namespaces scale up (>10k) ?

Le 17/09/2024 à 08:59, Eric Dumazet a écrit :
[snip]

> 
> I do not see any blocker for making things more scalable.
+1

> 
> It is only a matter of time and interest. I think that 99.99 % of
> linux hosts around the world
> have less than 10 netns.
I agree. My target was 4k netns at the time I pushed these ids.

> 
> RTNL removal is a little bit harder (and we hit RTNL contention even
> with less than 10 netns around)
+1