From owner-freebsd-hackers Sun Apr 18 22:32:51 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from tele-post-20.mail.demon.net (tele-post-20.mail.demon.net [194.217.242.20]) by hub.freebsd.org (Postfix) with ESMTP id 6A47215071 for ; Sun, 18 Apr 1999 22:32:47 -0700 (PDT) (envelope-from dmlb@ragnet.demon.co.uk) Received: from [158.152.46.40] (helo=ragnet.demon.co.uk) by tele-post-20.mail.demon.net with esmtp (Exim 2.12 #2) id 10Z6dQ-000Nmk-0K; Mon, 19 Apr 1999 05:30:21 +0000 Received: from dmlb by ragnet.demon.co.uk with local (Exim 2.12 #1) id 10Yw8x-000OQx-00; Sun, 18 Apr 1999 19:18:11 +0100 Content-Length: 2042 Message-ID: X-Mailer: XFMail 1.3 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <199904181452.JAA18474@dyson.iquest.net> Date: Sun, 18 Apr 1999 19:18:10 +0100 (BST) From: Duncan Barclay To: "John S. Dyson" Subject: Re: Directories not VMIO cached at all! Cc: hackers@freebsd.org, (Matthew Dillon) Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 18-Apr-99 John S. Dyson wrote: > Perhaps before getting rid of B_MALLOC, take a look at the standard > mix of directory sizes (don't just look at news servers.) If there is an > extreme bias towards 512 or 2048, then you might consider keeping B_MALLOC. > > John From my home machine which I'd classify as a workstation: Directory Size Count 512 34354 1024 963 1536 358 2048 245 2560 74 3072 50 3584 37 4096 39 4608 7 5120 13 5632 14 6144 22 6656 7 7168 1 7680 4 8192 4 8704 1 9216 6 9728 2 10240 5 10752 2 11264 1 12288 3 12800 2 13824 1 14336 2 16384 1 17408 1 17920 1 18432 1 18944 1 20480 1 20992 1 22528 1 24064 1 26624 2 30208 1 30720 3 31232 1 33792 1 41984 1 42496 2 169984 1 This includes the FreeBSD CVS repository, a couple of smaller projects, a small news server (about 50 groups) and the first CDROM from 3.1R (giving the 169984 directory /cdrom/packages/All!). A fairly convincing bias to directories less than 8192 bytes. Duncan --- ________________________________________________________________________ Duncan Barclay | God smiles upon the little children, dmlb@ragnet.demon.co.uk | the alcoholics, and the permanently stoned. ________________________________________________________________________ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message