From owner-freebsd-hackers Thu Mar 7 22:32:20 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from earth.rila.bg (earth.rila.bg [194.141.1.31]) by hub.freebsd.org (Postfix) with ESMTP id 5198E37B404 for ; Thu, 7 Mar 2002 22:31:50 -0800 (PST) Received: from earth.rila.bg (mitko@localhost.rila.bg [127.0.0.1]) by earth.rila.bg (8.11.6/8.11.6) with SMTP id g286V2J48635; Fri, 8 Mar 2002 08:31:03 +0200 (EET) (envelope-from mitko@rila.bg) Date: Fri, 8 Mar 2002 08:31:02 +0200 From: Dimitar Peikov To: Mike Silbersack Cc: freebsd-hackers@freebsd.org Subject: Re: Swapping performance Message-Id: <20020308083102.3d350933.mitko@rila.bg> In-Reply-To: <20020307113735.M2778-100000@patrocles.silby.com> References: <05fe01c1c5e6$6a02e890$2400010a@eight> <20020307113735.M2778-100000@patrocles.silby.com> Reply-To: mitko@rila.bg Organization: Rila Solutions X-Mailer: Sylpheed version 0.7.2claws (GTK+ 1.2.10; i386--freebsd4.5) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, 7 Mar 2002 11:41:28 +0000 (GMT) Mike Silbersack wrote: > > On Thu, 7 Mar 2002, cjp wrote: > > > In order to handle the kruft that occurs, there is the out of memory > > killer, oom_killer. > > Which merrily goes through the list of processes, killing off the low > > priority processes > > until enough memory is free to satisfy what was most recently used. > > It's the loan shark > > repayment program, with OOMKiller performing the function of the > > deliquency reminder. > > FreeBSD overcommits and has a OOMKiller too. You just haven't noticed it > because it's not triggered until you're out of swap space. > > The one thing that _does_ strike me as odd in this comparison is that > Dimitar is using 2.4.17. If that's 2.4.17, I'm surprised that it's > working ok, as everyone on the linux-kernel list seems to be applying > either the -AA or -rmap patches. Of course, if that's SUSE's 2.4.17, I > assume that the -AA patches are already applied. > Well, this SuSE is upgraded 7.1 installation, with no SuSE kernel downloaded from kernel.org). > In any case, we can't make any useful comparisons until Dimitar posts the > source to his test program. > > Dimitar, post the source for the test program! > > Mike "Silby" Silbersack > > > -- Dimitar Peikov Programmer Analyst Globalization Group "We Build e-Business" RILA Solutions 27 Building, Acad.G.Bonchev Str. 1113 Sofia, Bulgaria phone: (+359 2) 9797320 phone: (+359 2) 9797300 fax: (+359 2) 9733355 http://www.rila.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message