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Date: Wed, 13 Jun 2007 04:00:15 GMT
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To: freebsd-bugs@FreeBSD.org
From: Andrey Chernov <ache@nagual.pp.ru>
Cc: 
Subject: Re: kern/113639: -CURRENT logs too much TCP information
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The following reply was made to PR kern/113639; it has been noted by GNATS.

From: Andrey Chernov <ache@nagual.pp.ru>
To: Ben Wilber <ben@desync.com>
Cc: FreeBSD-gnats-submit@freebsd.org
Subject: Re: kern/113639: -CURRENT logs too much TCP information
Date: Wed, 13 Jun 2007 07:39:16 +0400

 On Mon, Jun 11, 2007 at 03:00:35PM +0000, Ben Wilber wrote:
 > >Description:
 > 	The recent logging changes in the TCP stack send too much information to syslog by default.  On high-traffic machines or in denial of service situations, this logging saturates the disks and CPU.
 > >How-To-Repeat:
 > 	Install recent -CURRENT, tail syslog.
 > >Fix:
 > 	My crunch time solution was to add a net.inet.tcp.verbose sysctl.
 
 I agree - verbosity is too high for real httpd server.
 But solution can be another, f.e. log every 100-th event.
 
 -- 
 http://ache.pp.ru/