From owner-freebsd-current Fri Jun 28 11:28:12 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 001D437B400 for ; Fri, 28 Jun 2002 11:28:07 -0700 (PDT) Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id AE82743E06 for ; Fri, 28 Jun 2002 11:28:07 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: from apollo.backplane.com (localhost [127.0.0.1]) by apollo.backplane.com (8.12.4/8.12.3) with ESMTP id g5SIS6T4006285; Fri, 28 Jun 2002 11:28:06 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.12.4/8.12.3/Submit) id g5SIS6xI006284; Fri, 28 Jun 2002 11:28:06 -0700 (PDT) (envelope-from dillon) Date: Fri, 28 Jun 2002 11:28:06 -0700 (PDT) From: Matthew Dillon Message-Id: <200206281828.g5SIS6xI006284@apollo.backplane.com> To: Julian Elischer Cc: FreeBSD current users Subject: Re: something funny with soft updates? References: Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG :1389.803u 594.961s 35:59.14 91.9% 2697+2248k 11839+66940io 3701pf+0w : :It's interesting that despite the the extra writes (63640 of them) :it took almost the same time from all metrics. : :this is a 35 minute subsection of buildworld.. : :i.e. buildworld up to a particular point, : :there may not be anything wrong but I expected more improvement. :I remember that when I first committed softupdates it made a noticable :difference.... Julian, please note that a buildworld does *NOT* seriously exercise the filesystem. I/O ops are mostly reads. The only area where softupdates might have a major effect would be the rm -rf of the object tree at the beginning. -Matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message