Date: Sun, 14 Dec 2003 10:06:40 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Dag-Erling Sm?rgrav <des@des.no> Cc: freebsd-current@freebsd.org Subject: Re: Poor performance Message-ID: <20031214070640.GQ33115@mail.acropolis.ru> In-Reply-To: <xzpu144z08j.fsf@dwp.des.no> References: <20031213230112.GP33115@mail.acropolis.ru> <xzpu144z08j.fsf@dwp.des.no>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Dec 14, 2003 at 01:55:40AM +0100, Dag-Erling Sm?rgrav wrote: > Slawa Olhovchenkov <slw@zxy.spb.ru> writes: > > I have upgrade web server from 4.7 to current (cvsup date 2003.12.08.06.40.00) > > and have degradation performance. > > des@dwp /usr/src% head -18 UPDATING > Updating Information for FreeBSD current users > > This file is maintained and copyrighted by M. Warner Losh > <imp@village.org>. See end of file for further details. For commonly > done items, please see the COMMON ITEMS: section later in the file. > > NOTE TO PEOPLE WHO THINK THAT FreeBSD 5.x IS SLOW: > FreeBSD 5.x has many debugging features turned on, in > both the kernel and userland. These features attempt to detect > incorrect use of system primitives, and encourage loud failure > through extra sanity checking and fail stop semantics. They > also substantially impact system performance. If you want to > do performance measurement, benchmarking, and optimization, > you'll want to turn them off. This includes various WITNESS- > related kernel options, INVARIANTS, malloc debugging flags > in userland, and various verbose features in the kernel. Many > developers choose to disable these features on build machines > to maximize performance. No, this is not related there. I am cvsuped to 2003.12.13.18.13.00 and performance back to normal. Sorry. -- Slawa Olhovchenkov
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20031214070640.GQ33115>