Date: Fri, 11 Dec 1998 01:21:34 +0100 From: Mark Huizer <freebsd@xaa.iae.nl> To: Bruce Pennypacker <bpennypacker@hotmail.com>, freebsd-questions@FreeBSD.ORG Subject: Re: swap space not being used? Message-ID: <19981211012134.C810@ariel.xaa.iae.nl> In-Reply-To: <19981211001702.15237.qmail@hotmail.com>; from Bruce Pennypacker on Thu, Dec 10, 1998 at 04:17:02PM -0800 References: <19981211001702.15237.qmail@hotmail.com>
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> I'm seeing something I don't quite understand on a FreeBSD 2.2.7 mchine > that we just set up. This machine is 300Mhz with 128MB RAM and 3 4.5gig > SCSI drives. We intend to use this machine for a lot of data analysis & > other grunt work, so we set it up with a decent amount of swap space. > Each disk has a 250MB swap partition on it. When I tried to run a fairly > memory intensive app (something that'll need about 300MB to run) the app > choked after only a few seconds with a "Virtual memory exceeded in > `new'" error. In monitoring the system using the top & sysinfo commands > I was amazed to find that 0% of the swap space on all 3 drives is being > used when the app ran out of memory. I'm fairly sure the swap partitions > were set up properly - they're listed in /etc/fstab, swapper is running, > etc. So why does it appear that the swap space isn't being used at all? > I had more luck testing this app on an NT workstation with only 32MB RAM > even though it eventually filled up the swap file entirely. > I suppose you are running into the system defaults for resource limits. See manpages for login.conf, unlimit, limit, etc... Mark -- Nice testing in little China... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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