From owner-freebsd-arch Fri Jul 7 12:50:14 2000 Delivered-To: freebsd-arch@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2]) by hub.freebsd.org (Postfix) with ESMTP id C9A1137C396 for ; Fri, 7 Jul 2000 12:50:12 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id MAA01243; Fri, 7 Jul 2000 12:50:11 -0700 (PDT) (envelope-from dillon) Date: Fri, 7 Jul 2000 12:50:11 -0700 (PDT) From: Matthew Dillon Message-Id: <200007071950.MAA01243@apollo.backplane.com> To: Alfred Perlstein Cc: Marius Bendiksen , Bill Fumerola , freebsd-arch@FreeBSD.ORG Subject: Re: Alterations to vops References: <20000707080644.H25571@fw.wintelcom.net> <20000707104422.P25571@fw.wintelcom.net> Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG : :We have that, see vfs_cluster.c, but if we could limit the outstanding :IO per process whether read or write we could throttle procs so that :they can't saturate the disks. : :-- :-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] Programs such as cvsup and find do not queue up billions of I/O's. They queue up one at a time pretty much, but the I/O's generate a lot of seeking due to the directory layouts on the media (when you have lots of small directories). -Matt Matthew Dillon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message