Date: Wed, 09 Jan 2008 12:23:24 +0200 From: Krassimir Slavchev <krassi@bulinfo.net> To: Kris Kennaway <kris@FreeBSD.org> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: Performance! Message-ID: <4784A09C.7070800@bulinfo.net> In-Reply-To: <47840D44.9090106@FreeBSD.org> References: <476A5EE1.9000003@bulinfo.net> <476FF662.6050604@FreeBSD.org> <477BB7C0.3060603@bulinfo.net> <477C1FA3.2070904@FreeBSD.org> <477CC7DC.6060801@bulinfo.net> <47840D21.6060807@FreeBSD.org> <47840D44.9090106@FreeBSD.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, Results with lock_manager and select patches and kern.hz=100 #threads #transactions/sec 1 582 5 2083 10 2030 20 2421 40 1739 60 1409 80 1124 100 1034 This is with the BETA4. May be I should upgrade to RC1? I will collect lock profiling statistics again. Best Regards Kris Kennaway wrote: > Kris Kennaway wrote: >> Krassimir Slavchev wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> Hello Kris, >>> >>> Here is the lock profiling results, see the attachment. >>> >>> Please, let me know if you want ssh access to this machine? >> >> Thanks, this is very interesting. The problem is already fixed in 8.0 >> but we were not seeing it being this much of a factor on our test >> hardware. Possibly it is due to your CPUs being moderately faster and >> causing a timing difference. Anyway, try this patch. If there is >> still a performance deficit then repeating the lock profiling will be >> useful. >> >> Kris >> >> > > Now with actual patch. > > Kris > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHhKCcxJBWvpalMpkRAi4WAJ4/lbXTq/7/rGnURw5DMICRqKnFvQCeJKWc KxGflXbc3KfvyuyTRVzStEk= =aBqO -----END PGP SIGNATURE-----
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