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Good theory, especially in a commercial environment. On 7 Oct 2002 at 14:22, Derek D. Martin wrote: > Through experience, I've formulated the following theory on virtual > memory configuration. If you have a good idea of how much RAM > your applications will use (and you should, either from experience, or > by pre-implementation testing for an app with which you're not > familiar), configure your VM to have at least 50% more than you think > you need, favoring RAM as much as possible. Unless money is no > object, in which case I'd just configure double the amount of physical > RAM I think I'd need, and add a fairly minimal swap partition > (< 1/2 GB). > > Now, that said, disk space is cheap. It's much better to have extra > swap space lying around, than to have some critical application die on > you because the system ran out of virtual memory, especially on a > system whose memory usage fluctuates wildly and is hard to predict. > OTOH, right now RAM is really cheap too; if performance is an issue, > adding RAM is probably a better investment, as it's really cheap, and > orders of magnitude faster than disk. If you can afford it, you > always want your applications being serviced by physical RAM, rather > than having to be paged in and out of memory. > > - -- > Derek D. Martin > http://www.pizzashack.org/ > GPG Key ID: 0x81CFE75D > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.6 (GNU/Linux) > Comment: For info see http://www.gnupg.org > > iD8DBQE9odDudjdlQoHP510RAsNTAKCtksYIyy4SCw0kX7UV/T6Y1/pZvgCgvV60 > wMMdwmViqzioM7OsVsSr0Pg= > =ybX3 > -----END PGP SIGNATURE----- > _______________________________________________ > Discuss mailing list > Discuss at blu.org > http://www.blu.org/mailman/listinfo/discuss -- Jerry Feldman <gaf at blu.org> Associate Director Boston Linux and Unix user group http://www.blu.org PGP key id:C5061EA9 PGP Key fingerprint:053C 73EC 3AC1 5C44 3E14 9245 FB00 3ED5 C506 1EA9
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