netdev - Re: IPv6 routing table max_size badly dimensioned compared to IPv4

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Date:	Thu, 27 Feb 2014 13:02:00 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	bert hubert <bert.hubert@...herlabs.nl>, netdev@...r.kernel.org
Subject: Re: IPv6 routing table max_size badly dimensioned compared to IPv4

On Thu, 2014-02-27 at 21:50 +0100, Hannes Frederic Sowa wrote:

> We store those routes back into the routing table, so we must have a way to
> count them and trigger gc at some point.

Right, and current implementation will not scale.

If we need to perform 10000 inserts per second, and gc timeout is 60
seconds, tree contains 600.000 entries, gc takes forever...



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