From: Robert Olsson <Robert.Olsson@data.slu.se>
To: Simon Kirby <sim@netnation.com>
Cc: Robert Olsson <Robert.Olsson@data.slu.se>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Eric Dumazet <dada1@cosmosbay.com>,
netdev@oss.sgi.com
Subject: Re: Route cache performance
Date: Wed, 7 Sep 2005 18:49:03 +0200 [thread overview]
Message-ID: <17183.6655.977975.249491@robur.slu.se> (raw)
In-Reply-To: <20050907162854.GB24735@netnation.com>
Simon Kirby writes:
> Yes, setting maxbatch to 10000 also results in working gc, though routing
> throughput is about 5.7% higher when just calling dst_free directly.
Oh that's good news... You loose 5.7% for rDoS but should benefit
in normal conditions.
> There was discussion about this before (recycling of existing entries is
> also now impossible, as compared with 2.4). It's a shame that this win
> for the normal case also hurts the DoS case...and it really hurts when
> the when the DoS case is the normal case.
It's called trade-off's :) rDoS is hardly nomal case? But maybe it's time
to compare routing via route hash vs FIB lookup directly again now when
we have RCU with some FIB lookup's too.
Cheers.
--ro
next prev parent reply other threads:[~2005-09-07 16:49 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-15 21:38 Route cache performance Simon Kirby
2005-08-16 2:23 ` Eric Dumazet
2005-08-23 19:08 ` Simon Kirby
2005-08-23 19:56 ` Robert Olsson
2005-08-24 0:01 ` Simon Kirby
2005-08-24 3:50 ` Robert Olsson
2005-08-25 18:11 ` Simon Kirby
2005-08-25 20:05 ` Alexey Kuznetsov
2005-08-25 21:22 ` Simon Kirby
2005-08-26 11:55 ` Alexey Kuznetsov
2005-08-26 19:49 ` Robert Olsson
2005-09-06 23:57 ` Simon Kirby
2005-09-07 1:19 ` Alexey Kuznetsov
2005-09-07 15:03 ` Robert Olsson
2005-09-07 16:55 ` Simon Kirby
2005-09-07 17:21 ` Robert Olsson
2005-09-07 14:45 ` Robert Olsson
2005-09-07 16:28 ` Simon Kirby
2005-09-07 16:49 ` Robert Olsson [this message]
2005-09-07 16:57 ` Simon Kirby
2005-09-07 19:59 ` Alexey Kuznetsov
2005-09-13 22:14 ` Simon Kirby
2005-09-14 8:04 ` Robert Olsson
2005-09-17 0:28 ` Simon Kirby
2005-09-17 9:04 ` Martin Josefsson
2005-09-17 15:17 ` jamal
2005-09-15 21:04 ` Alexey Kuznetsov
2005-09-15 21:30 ` Robert Olsson
2005-09-15 22:21 ` Alexey Kuznetsov
2005-09-16 12:18 ` Robert Olsson
2005-09-16 19:04 ` Alexey Kuznetsov
2005-09-16 19:22 ` Ben Greear
2005-09-16 19:57 ` Robert Olsson
-- strict thread matches above, loose matches on Subject: below --
2005-08-24 16:06 Simon Kirby
[not found] <20050301220743.GF2554@netnation.com>
[not found] ` <16940.9990.975632.115834@robur.slu.se>
2005-03-09 1:45 ` Simon Kirby
2005-03-09 12:05 ` Robert Olsson
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