Date: Wed, 24 Sep 2008 12:23:33 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: Major SMP problems with lstat/namei Message-ID: <gbd4f5$ju3$1@ger.gmane.org> In-Reply-To: <gbd3pu$i3l$1@ger.gmane.org> References: <8185F68B-C443-4891-BEC2-5E3D453DDC93@wheelhouse.org> <gbd3pu$i3l$1@ger.gmane.org>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigE17F28EA7E3A58CAFF658852 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Ivan Voras wrote: > There is nothing that can be done within the 6.x branch. 7.x contains > many improvements but I think only 8.x will directly change the lockmgr= > and the namei cache. The best things you can try right now is to use > 7-STABLE (or soon to be released 7.1; you might need tuning with > 7.0-RELEASE) or try 8-CURRENT (it's quite stable). I remembered two more things: * The problematic load can also be generated with benchmarks/blogbench * I don't have the numbers here but I think I remember that ZFS had noticably larger score than UFS in this workload. Of course, ZFS has other problems. --------------enigE17F28EA7E3A58CAFF658852 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFI2hUlldnAQVacBcgRAsR2AKCXVfj2YxaX0t2y9UOv+nEx0z5PWACgnDE+ rzauJyAc70nIG5r9c2iA3yw= =cmxt -----END PGP SIGNATURE----- --------------enigE17F28EA7E3A58CAFF658852--
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