From: "David S. Miller" <davem@redhat.com>
To: kaber@trash.net
Cc: hadi@cyberus.ca, devik@cdi.cz, netdev@oss.sgi.com
Subject: Fw: hfsc and huge set of rules
Date: Thu, 29 Jul 2004 21:18:44 -0700 [thread overview]
Message-ID: <20040729211844.61e8d328.davem@redhat.com> (raw)
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Looks like qdisc destruction has some expensive algorithms.
Any quick ideas about the root culprit at least in the hfsc
case? He says htb does it too.
Begin forwarded message:
Date: Tue, 27 Jul 2004 11:47:02 +0200
From: Tomasz Paszkowski <tomasz.paszkowski@e-wro.pl>
To: linux-kernel@vger.kernel.org
Subject: hfsc and huge set of rules
Hello,
I'am running hfsc qdisc with huge set of rules loaded.
root@hades:/home/system/scr/etc/hfsc_rebuild# cat tc.batch | grep hfsc | wc -l
27884
Always when I delete the root qdisc (qdisc del dev eth0 root)
the machine stop responding for about 5-6 seconds. As I think it's due the
hfsc_destory_qdisc is executed in main kernel thread. Similar problem is
present also in htb scheduler.
Is there any quick solution to solve this problem ?
--
Tomasz Paszkowski
Administrator
Miejskie Sieci Informatyczne e-wro
http://www.e-wro.pl
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next reply other threads:[~2004-07-30 4:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-30 4:18 David S. Miller [this message]
2004-07-30 10:34 ` Fw: hfsc and huge set of rules Patrick McHardy
2004-07-30 11:08 ` Tomasz Paszkowski
2004-07-30 20:38 ` jamal
2004-08-01 17:53 ` Patrick McHardy
2004-08-04 9:14 ` Tomasz Paszkowski
2004-07-30 15:54 ` devik
2004-08-01 17:56 ` Patrick McHardy
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