From owner-freebsd-hackers Sun Sep 6 22:35:22 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id WAA18895 for freebsd-hackers-outgoing; Sun, 6 Sep 1998 22:35:22 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from word.smith.net.au (castles157.castles.com [208.214.165.157]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id WAA18890 for ; Sun, 6 Sep 1998 22:35:19 -0700 (PDT) (envelope-from mike@word.smith.net.au) Received: from word.smith.net.au (LOCALHOST [127.0.0.1]) by word.smith.net.au (8.9.1/8.8.8) with ESMTP id WAA11588; Sun, 6 Sep 1998 22:41:06 -0700 (PDT) (envelope-from mike@word.smith.net.au) Message-Id: <199809070541.WAA11588@word.smith.net.au> X-Mailer: exmh version 2.0.2 2/24/98 To: cmascott@world.std.com (Carl Mascott) cc: hackers@FreeBSD.ORG Subject: Re: Reading/writing /usr/ports is VERY slow In-reply-to: Your message of "Fri, 04 Sep 1998 08:38:43 EDT." <199809041238.AA00816@world.std.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 06 Sep 1998 22:41:05 -0700 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > > Meanwhile, do you have the courage to try the code snippet I included? > > I'd be interested to know if it had any affect on your pathalogical > > case... > > Maybe, but I want to let the dust settle first, and see if > Kirk McKusick weighs in with anything interesting. I would > also want to become familiar with the FFS source code before > I did anything to it. It does sound like Kirk feels this is worth exploring. > One problem with my trying it is that it will never get a good > workout on my box, a single-user workstation with ~50% full > filesystems. I could certainly see any improvement in the > /usr/ports throughput, but behavior with a nearly full > filesystem would never get tested. Demonstrating even that sort of improvement would be enough to justify releasing the code for wider testing. Such an option would be trivially tunable, allowing it to be optimised for particular situations if required. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message