From owner-freebsd-current Thu Jan 23 11:41: 7 2003 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 A90B237B401 for ; Thu, 23 Jan 2003 11:41:06 -0800 (PST) Received: from falcon.midgard.homeip.net (h76n3fls20o913.telia.com [213.67.148.76]) by mx1.FreeBSD.org (Postfix) with SMTP id E3F5843EB2 for ; Thu, 23 Jan 2003 11:41:04 -0800 (PST) (envelope-from erikt@falcon.midgard.homeip.net) Received: (qmail 2462 invoked by uid 1001); 23 Jan 2003 19:41:02 -0000 Date: Thu, 23 Jan 2003 20:41:01 +0100 From: Erik Trulsson To: Rahul Siddharthan Cc: Dan Nelson , Kenneth Culver , Atte Peltomaki , freebsd-current@FreeBSD.ORG Subject: Re: malloc.conf (was Re: Performance problems with 5.0-RELEASE) Message-ID: <20030123194101.GA2429@falcon.midgard.homeip.net> Mail-Followup-To: Rahul Siddharthan , Dan Nelson , Kenneth Culver , Atte Peltomaki , freebsd-current@FreeBSD.ORG References: <20030123123522.C9068-100000@alpha.yumyumyum.org> <20030123181628.GA2185@papagena.rockefeller.edu> <20030123185657.GB54656@dan.emsphone.com> <20030123191446.GA2602@papagena.rockefeller.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030123191446.GA2602@papagena.rockefeller.edu> User-Agent: Mutt/1.5.3i 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 On Thu, Jan 23, 2003 at 02:14:46PM -0500, Rahul Siddharthan wrote: > Dan Nelson wrote: > > > # ls -l /etc/malloc.conf > > > lrwxr-xr-x 1 root wheel 4 Jan 23 11:52 /etc/malloc.conf -> HR< > > > > H and < should only make a difference if you are low on memory. > > Yes. > > > R is on > > by default in 5.0 anyway, due to A and J being on by default. > > That's not what the malloc(3) man page suggests -- R seems to have > nothing to do with A or J. Perhaps, however, the improvement I see > is due to turning off A and J (implicitly, ie by not specifying them)? Read again. J automatically sets R. Yes, not having J set should improve performance noticeably compared with having J set. -- Erik Trulsson ertr1013@student.uu.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message