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Re: [fw@xxxxxxxxxxxxx: Route cache performance under stress]

To: jamal <hadi@xxxxxxxxxx>
Subject: Re: [fw@xxxxxxxxxxxxx: Route cache performance under stress]
From: Florian Weimer <fw@xxxxxxxxxxxxx>
Date: Sun, 06 Apr 2003 18:42:11 +0200
Cc: netdev@xxxxxxxxxxx
In-reply-to: <20030406110728.G68419@xxxxxxxxxxxxxxxx> (jamal's message of "Sun, 6 Apr 2003 11:14:50 -0400 (EDT)")
References: <20030405165016.GA32361@xxxxxxxxxxxxxxx> <20030405134350.N68419@xxxxxxxxxxxxxxxx> <873ckwftal.fsf@xxxxxxxxxxxxx> <20030405180607.P68419@xxxxxxxxxxxxxxxx> <87n0j3ltf0.fsf@xxxxxxxxxxxxx> <20030406110728.G68419@xxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
User-agent: Gnus/5.090017 (Oort Gnus v0.17) Emacs/21.2 (gnu/linux)
jamal <hadi@xxxxxxxxxx> writes:

> cat /proc/net/rt_cache_stat
> Should give us a lot more info.

I'll try to obtain the data points you requested.

>> > Our data was collected on a real ISP which hosts a lot of web
>> > servers and was being constantly DOSed. I dont think you can get
>> > more real world than that.
>> Did you look at a router, or at a host?
> As a router, but the hash compute shouldnt matter.

Slow path ist faster on hosts than on routers which substantial
routing tables, isn't it?

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