Date: Sat, 12 Nov 2005 15:06:28 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Tarasov Alexey <lexa@wincmd.ru> Cc: freebsd-stable@freebsd.org Subject: Re: Reduced hard disk perfomance on 5.4 with SMP Message-ID: <20051112200627.GD56633@xor.obsecurity.org> In-Reply-To: <4376476B.6090703@wincmd.ru> References: <4376476B.6090703@wincmd.ru>
next in thread | previous in thread | raw e-mail | index | archive | help
--+B+y8wtTXqdUj1xM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Nov 12, 2005 at 10:50:03PM +0300, Tarasov Alexey wrote: > Hello! >=20 > I have a server Double Xeon 2.4 GHz with Hyperthreading on. > Operations with hard disk (e.g. unpacking huge .tgz archive with a lot=20 > of files) are very slow. Why it can be? VFS was Giant-locked on 5.4, and there is contention between multiple processes (e.g. tar and bufdaemon). Try 6.0 instead. Kris --+B+y8wtTXqdUj1xM Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDdktDWry0BWjoQKURAj84AKDmZ/I3GXjMtxRHpoXdlPUF67K0zACgvPTY jr3LMe5dqKXkkyDp2cL/6B4= =HGiQ -----END PGP SIGNATURE----- --+B+y8wtTXqdUj1xM--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20051112200627.GD56633>