Date: Wed, 18 Sep 2002 12:17:27 +0300 From: Giorgos Keramidas <keramida@ceid.upatras.gr> To: pzw@aabc.dk Cc: isp@FreeBSD.ORG Subject: Re: Inactive memory in FreeBSD Message-ID: <20020918091727.GB20911@hades.hell.gr> In-Reply-To: <E01A200E2339D311AF7E00508B319A2B04C84710@expers.aabc.dk> References: <E01A200E2339D311AF7E00508B319A2B04C84710@expers.aabc.dk>
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On 2002-09-18 09:20, pzw@aabc.dk wrote: > When I FTP to the server or compile stuff, the amount of Inactive memory > goes up, which I guess is because it is used for disk cache. > > However, when I stop compiling/FTP, it don't release the memory, it stays > inactive, and then when you compile or use FTP again, the server starts > using swap space, which IMHO can't be very efficient, and I have to reboot > the server in order to release the memory. I have 256MB in the server, and > it only uses around 40MB initially, so there shouldn't be any problem, I > don't run X or anything fancy on it either. There is a nice article about the design of the VM system in FreeBSD over at www.FreeBSD.org. This will probably explain some more details of the way things are done. Find it at: http://www.FreeBSD.org/doc/en_US.ISO8859-1/articles/vm-design/ I am no virtual-memory guru myself and I can't explain in detail if and why things work as you describe them, but I think you might find this article of interest. - Giorgos To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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