From: "David S. Miller" <davem@redhat.com>
To: Robert.Olsson@data.slu.se
Cc: sim@netnation.com, netdev@oss.sgi.com, linux-net@vger.kernel.org,
kuznet@ms2.inr.ac.ru
Subject: Re: Route cache performance under stress
Date: Mon, 09 Jun 2003 10:21:31 -0700 (PDT) [thread overview]
Message-ID: <20030609.102131.73669235.davem@redhat.com> (raw)
In-Reply-To: <16091.32021.75335.227150@robur.slu.se>
From: Robert Olsson <Robert.Olsson@data.slu.se>
Date: Mon, 2 Jun 2003 18:36:37 +0200
Simon Kirby writes:
> Is it possible to have a dst LRU or a simpler approximation of such and
> recycle dst entries rather than deallocating/reallocating them? This
> would relieve a lot of work from the garbage collector and avoid the
> periodic large garbage collection latency. It could be tuned to only
> occur in an attack (I remember Alexey saying that the deferred garbage
> collection was implemented to reduce latency in normal opreation).
I don't see how this can be done. Others may?
Full recycle is very doable in 2.4.x, in 2.5.x is an enormously hard
problem because we use RCU there (readers run completely without
locks).
next prev parent reply other threads:[~2003-06-09 17:21 UTC|newest]
Thread overview: 217+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <87d6iit4g7.fsf@deneb.enyo.de>
[not found] ` <20030517.150933.74723581.davem@redhat.com>
[not found] ` <87iss87gqd.fsf@deneb.enyo.de>
2003-05-18 9:31 ` Route cache performance under stress David S. Miller
2003-05-19 17:36 ` Jamal Hadi
2003-05-19 19:18 ` Ralph Doncaster
2003-05-19 22:37 ` Jamal Hadi
2003-05-20 1:10 ` Simon Kirby
2003-05-20 1:14 ` David S. Miller
2003-05-20 1:23 ` Jamal Hadi
2003-05-20 1:24 ` David S. Miller
2003-05-20 2:13 ` Jamal Hadi
2003-05-20 5:01 ` Pekka Savola
2003-05-20 11:47 ` Jamal Hadi
2003-05-20 11:55 ` Pekka Savola
2003-05-20 6:46 ` David S. Miller
2003-05-20 12:04 ` Jamal Hadi
2003-05-21 0:36 ` David S. Miller
2003-05-21 13:03 ` Jamal Hadi
2003-05-23 5:42 ` David S. Miller
2003-05-22 8:40 ` Simon Kirby
2003-05-22 8:58 ` David S. Miller
2003-05-22 10:40 ` David S. Miller
2003-05-22 11:15 ` Martin Josefsson
2003-05-23 1:00 ` David S. Miller
2003-05-23 1:01 ` David S. Miller
2003-05-23 8:21 ` Andi Kleen
2003-05-23 8:22 ` David S. Miller
2003-05-23 9:03 ` Andi Kleen
2003-05-23 9:59 ` David S. Miller
2003-05-24 0:41 ` Andrew Morton
2003-05-26 2:29 ` David S. Miller
2003-05-22 11:44 ` Simon Kirby
2003-05-22 13:03 ` Martin Josefsson
2003-05-23 0:55 ` David S. Miller
2003-05-22 22:33 ` David S. Miller
2003-05-29 20:51 ` Simon Kirby
2003-06-02 10:58 ` Robert Olsson
2003-06-02 15:18 ` Simon Kirby
2003-06-02 16:36 ` Robert Olsson
2003-06-02 18:05 ` Simon Kirby
2003-06-09 17:21 ` David S. Miller [this message]
2003-06-09 17:19 ` David S. Miller
2003-05-23 0:59 ` David S. Miller
2003-05-26 7:18 ` Florian Weimer
2003-05-26 7:29 ` David S. Miller
2003-05-26 9:34 ` Florian Weimer
2003-05-27 6:32 ` David S. Miller
2003-06-08 11:39 ` Florian Weimer
2003-06-08 12:05 ` David S. Miller
2003-06-08 13:10 ` Florian Weimer
2003-06-08 23:49 ` Simon Kirby
2003-06-08 23:55 ` CIT/Paul
2003-06-09 3:15 ` Jamal Hadi
2003-06-09 5:27 ` CIT/Paul
2003-06-09 5:58 ` David S. Miller
2003-06-09 6:28 ` CIT/Paul
2003-06-09 6:28 ` David S. Miller
2003-06-09 16:23 ` Stephen Hemminger
2003-06-09 16:37 ` David S. Miller
2003-06-09 7:13 ` Simon Kirby
2003-06-09 8:10 ` CIT/Paul
2003-06-09 8:27 ` Simon Kirby
2003-06-09 19:38 ` CIT/Paul
2003-06-09 21:30 ` David S. Miller
2003-06-09 22:19 ` Simon Kirby
2003-06-09 22:54 ` Robert Olsson
2003-06-13 6:21 ` David S. Miller
2003-06-13 10:40 ` Robert Olsson
2003-06-15 6:36 ` David S. Miller
2003-06-17 17:03 ` Robert Olsson
2003-06-09 22:56 ` CIT/Paul
2003-06-09 23:05 ` David S. Miller
2003-06-10 13:41 ` Robert Olsson
2003-06-10 0:03 ` Jamal Hadi
2003-06-10 0:32 ` Ralph Doncaster
2003-06-10 1:15 ` Jamal Hadi
2003-06-10 2:45 ` Ralph Doncaster
2003-06-10 3:23 ` Ben Greear
2003-06-10 3:41 ` Ralph Doncaster
2003-06-10 18:10 ` Ralph Doncaster
2003-06-10 18:21 ` Ben Greear
2003-06-10 4:34 ` Simon Kirby
2003-06-10 11:01 ` Jamal Hadi
2003-06-10 11:28 ` Jamal Hadi
2003-06-10 13:18 ` Ralph Doncaster
2003-06-10 16:10 ` David S. Miller
2003-06-10 10:53 ` Jamal Hadi
2003-06-10 11:41 ` chas williams
2003-06-10 16:27 ` David S. Miller
2003-06-10 16:57 ` chas williams
2003-06-10 11:41 ` Pekka Savola
2003-06-10 11:58 ` John S. Denker
2003-06-10 12:12 ` Jamal Hadi
2003-06-10 16:33 ` David S. Miller
2003-06-10 12:07 ` Jamal Hadi
2003-06-10 15:29 ` Ralph Doncaster
2003-06-11 19:48 ` Florian Weimer
2003-06-11 19:40 ` CIT/Paul
2003-06-11 21:09 ` Florian Weimer
2003-06-10 13:10 ` Ralph Doncaster
2003-06-10 13:36 ` Jamal Hadi
2003-06-10 14:03 ` Ralph Doncaster
2003-06-10 16:38 ` David S. Miller
2003-06-10 16:39 ` David S. Miller
2003-06-10 18:41 ` Florian Weimer
2003-06-11 11:47 ` Was (Re: " Jamal Hadi
2003-06-11 18:41 ` Real World Routers 8-) Florian Weimer
2003-06-10 15:53 ` Route cache performance under stress David S. Miller
2003-06-10 16:15 ` 3c59x (was Route cache performance under stress) Bogdan Costescu
2003-06-10 16:20 ` Andi Kleen
2003-06-10 16:23 ` Jeff Garzik
2003-06-10 17:02 ` 3c59x David S. Miller
2003-06-10 17:16 ` 3c59x Jeff Garzik
2003-06-10 17:14 ` 3c59x David S. Miller
2003-06-10 17:25 ` 3c59x Jeff Garzik
2003-06-10 17:30 ` 3c59x David S. Miller
2003-06-10 19:20 ` 3c59x Jeff Garzik
2003-06-10 19:21 ` 3c59x David S. Miller
2003-06-10 17:18 ` 3c59x Andi Kleen
2003-06-10 17:29 ` 3c59x chas williams
2003-06-10 17:31 ` 3c59x David S. Miller
2003-06-10 17:39 ` 3c59x chas williams
2003-06-10 17:43 ` 3c59x David S. Miller
2003-06-11 17:52 ` Route cache performance under stress Robert Olsson
2003-06-10 1:53 ` Simon Kirby
2003-06-10 3:18 ` Ralph Doncaster
2003-06-10 16:06 ` David S. Miller
2003-06-10 15:56 ` David S. Miller
2003-06-10 16:45 ` 3c59x (was Route cache performance under stress) Bogdan Costescu
2003-06-10 16:49 ` Andi Kleen
2003-06-11 9:54 ` Robert Olsson
2003-06-11 10:05 ` Andi Kleen
2003-06-11 10:38 ` Robert Olsson
2003-06-11 12:08 ` Jamal Hadi
2003-06-10 17:12 ` 3c59x David S. Miller
2003-06-10 17:19 ` Route cache performance under stress Ralph Doncaster
2003-06-10 15:49 ` David S. Miller
2003-06-10 17:33 ` Ralph Doncaster
2003-06-10 17:32 ` David S. Miller
2003-06-10 18:34 ` Robert Olsson
2003-06-10 18:57 ` David S. Miller
2003-06-10 19:53 ` Robert Olsson
2003-06-10 21:36 ` CIT/Paul
2003-06-10 21:39 ` Ralph Doncaster
2003-06-10 22:20 ` David S. Miller
2003-06-10 23:58 ` Ralph Doncaster
2003-06-10 23:57 ` David S. Miller
2003-06-11 0:41 ` Ralph Doncaster
2003-06-11 0:58 ` David S. Miller
2003-06-11 0:58 ` David S. Miller
2003-06-11 0:51 ` Ben Greear
2003-06-11 1:01 ` David S. Miller
2003-06-11 1:15 ` Ben Greear
2003-06-11 1:22 ` David S. Miller
2003-06-11 1:51 ` Ben Greear
2003-06-11 3:33 ` David S. Miller
2003-06-11 11:54 ` gettime: Was (Re: " Jamal Hadi
2003-06-11 12:08 ` Andi Kleen
2003-06-12 3:30 ` David S. Miller
2003-06-12 6:32 ` Ben Greear
2003-06-12 8:46 ` David S. Miller
2003-06-11 15:57 ` Ben Greear
2003-06-12 3:29 ` David S. Miller
2003-06-11 1:17 ` Ralph Doncaster
2003-06-11 1:23 ` David S. Miller
2003-06-11 7:28 ` Andi Kleen
2003-06-11 7:25 ` Andi Kleen
2003-06-11 17:40 ` Robert Olsson
2003-06-13 5:38 ` David S. Miller
2003-06-13 10:22 ` Robert Olsson
2003-06-13 17:15 ` Robert Olsson
2003-06-12 6:45 ` David S. Miller
2003-06-12 13:56 ` Robert Olsson
2003-06-12 21:35 ` David S. Miller
2003-06-13 10:50 ` Robert Olsson
2003-06-10 0:56 ` Ralph Doncaster
2003-06-09 11:38 ` Jamal Hadi
2003-06-09 11:55 ` David S. Miller
2003-06-09 12:18 ` Jamal Hadi
2003-06-09 12:32 ` David S. Miller
2003-06-09 13:22 ` Jamal Hadi
2003-06-09 13:22 ` David S. Miller
2003-06-09 8:56 ` David S. Miller
2003-06-09 22:39 ` Robert Olsson
2003-06-09 6:25 ` David S. Miller
2003-06-09 6:59 ` Simon Kirby
2003-06-09 7:03 ` David S. Miller
2003-06-09 13:04 ` Ralph Doncaster
2003-06-09 13:26 ` Jamal Hadi
2003-06-09 5:44 ` David S. Miller
2003-06-09 5:51 ` CIT/Paul
2003-06-09 6:03 ` David S. Miller
2003-06-09 6:52 ` Simon Kirby
2003-06-09 6:56 ` David S. Miller
2003-06-09 7:36 ` Simon Kirby
2003-06-09 8:18 ` Simon Kirby
2003-06-09 8:22 ` David S. Miller
2003-06-09 8:31 ` Simon Kirby
2003-06-09 9:01 ` David S. Miller
2003-06-09 9:47 ` Andi Kleen
2003-06-09 10:03 ` David S. Miller
2003-06-09 10:13 ` Andi Kleen
2003-06-09 10:13 ` David S. Miller
2003-06-09 10:40 ` YOSHIFUJI Hideaki / 吉藤英明
2003-06-09 10:40 ` David S. Miller
2003-06-09 14:14 ` David S. Miller
2003-06-09 6:47 ` Simon Kirby
2003-06-09 6:49 ` David S. Miller
2003-06-09 13:28 ` Ralph Doncaster
2003-06-09 16:30 ` Simon Kirby
2003-06-17 20:58 ` Florian Weimer
2003-06-09 5:38 ` David S. Miller
2003-06-10 3:05 ` Steven Blake
2003-06-12 6:31 ` David S. Miller
2003-06-08 17:58 ` Pekka Savola
2003-05-21 0:09 ` Simon Kirby
2003-05-21 0:13 ` David S. Miller
2003-05-26 9:29 ` Florian Weimer
[not found] <8765pshpd4.fsf@deneb.enyo.de>
2003-04-05 18:17 ` Martin Josefsson
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