netdev - Re: Linux Route Cache performance tests

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Date:	Mon, 07 Nov 2011 10:16:25 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Paweł Staszewski <pstaszewski@...are.pl>
Cc:	Linux Network Development list <netdev@...r.kernel.org>
Subject: Re: Linux Route Cache performance tests

Le lundi 07 novembre 2011 à 10:08 +0100, Eric Dumazet a écrit :

> Obviously, cache removal will be possible only when performance without
> it is the same.
> 
> Work is in progress, it started a long time ago.
> 

One of the reason to get rid of this cache is its memory use.

256 bytes per entry, thats a lot of memory if you need 2.000.000
entries...



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