From owner-freebsd-hackers Fri Jun 15 16: 7:20 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from silby.com (cb34181-a.mdsn1.wi.home.com [24.14.173.39]) by hub.freebsd.org (Postfix) with ESMTP id D33E637B401 for ; Fri, 15 Jun 2001 16:07:17 -0700 (PDT) (envelope-from silby@silby.com) Received: (qmail 26297 invoked by uid 1000); 15 Jun 2001 23:07:16 -0000 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 15 Jun 2001 23:07:16 -0000 Date: Fri, 15 Jun 2001 18:07:16 -0500 (CDT) From: Mike Silbersack To: Matt Dillon Cc: Giorgos Keramidas , Rajappa Iyer , Subject: Re: Sysadmin article In-Reply-To: <200106152133.f5FLXll52567@earth.backplane.com> Message-ID: <20010615180408.T26286-100000@achilles.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, 15 Jun 2001, Matt Dillon wrote: > > :softupdates later on). Write-back caching is disabled in the disks, > :even if they support it. This is yet another step towards making the > :default installation of FreeBSD as reliable a system as it can be. > > Well, not any more... we caved in on that one because the performance > loss was insane. But for 4.2 it was turned off. > > -Matt Actually, I think write caching was on for 4.2. I'd hate to see what their benchmark would've shown with write caching and softupdates off. Of course, assuming dirpref and Ian's new directory cache have been MFC'd by the time 4.4 comes out, it will scream on that same benchmark. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message