From owner-freebsd-hackers Mon Apr 19 9:52:56 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from wall.polstra.com (rtrwan160.accessone.com [206.213.115.74]) by hub.freebsd.org (Postfix) with ESMTP id 416B71529F for ; Mon, 19 Apr 1999 09:52:52 -0700 (PDT) (envelope-from jdp@polstra.com) Received: from vashon.polstra.com (vashon.polstra.com [206.213.73.13]) by wall.polstra.com (8.9.3/8.9.1) with ESMTP id JAA27199; Mon, 19 Apr 1999 09:50:26 -0700 (PDT) (envelope-from jdp@polstra.com) From: John Polstra Received: (from jdp@localhost) by vashon.polstra.com (8.9.3/8.9.1) id JAA24137; Mon, 19 Apr 1999 09:50:12 -0700 (PDT) (envelope-from jdp@polstra.com) Date: Mon, 19 Apr 1999 09:50:12 -0700 (PDT) Message-Id: <199904191650.JAA24137@vashon.polstra.com> To: dillon@apollo.backplane.com Subject: Re: Directories not VMIO cached at all! In-Reply-To: <199904171844.LAA75452@apollo.backplane.com> Organization: Polstra & Co., Seattle, WA Cc: hackers@freebsd.org Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In article <199904171844.LAA75452@apollo.backplane.com>, Matthew Dillon wrote: > When I scan enough directories ( e.g. a megabyte worth of directories > on a 1 GB machine), then scan again, the data is re-fetched from disk. If I understand your description correctly, this fix could really benefit master CVSup servers such as freefall. Those servers typically have 8-12 running cvsupd processes, all doing tree walks over the same CVS repository and making a stat() call on every file. Do you think it would help? John -- John Polstra jdp@polstra.com John D. Polstra & Co., Inc. Seattle, Washington USA "Self-interest is the aphrodisiac of belief." -- James V. DeLong To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message