Date: Wed, 5 Sep 2007 09:50:27 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Kris Kennaway <kris@FreeBSD.org> Cc: Jeff Roberson <jroberson@chesapeake.net>, Alfred Perlstein <alfred@freebsd.org>, cvs-all@FreeBSD.org, src-committers@FreeBSD.org, cvs-src@FreeBSD.org Subject: Re: cvs commit: src/sys/conf NOTES files options src/sys/dev/acpica acpi_ec.c src/sys/kern kern_ktrace.c kern_rwlock.c kern_sx.c kern_thread.c subr_sleepqueue.c subr_turnstile.c src/sys/netinet6 in6_src.c src/sys/sys _rwlock.h _sx.h lock_profile.h proc.h ... Message-ID: <20070905094949.C42258@odysseus.silby.com> In-Reply-To: <46DE6DAC.1010209@FreeBSD.org> References: <200709042240.l84Mepmx031000@repoman.freebsd.org> <20070904175220.Q534@10.0.0.1> <20070905071752.GG87451@elvis.mu.org> <46DE6DAC.1010209@FreeBSD.org>
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On Wed, 5 Sep 2007, Kris Kennaway wrote: > Check my slides from the devsummit, at > > http://people.freebsd.org/~kris/scaling/Scalability%20Update.pdf > > Most of the improvement to mysql on 7.0 came from fixed sx locks and > converting filedesc to use them. > > Kris I can't remember. Are filedesc locking improvements helpful to only threaded apps, or do non-threaded apps benefit as well? Mike "Silby" Silbersack
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