Messages in this thread |  | | | Date | Mon, 30 Mar 1998 12:55:27 -0800 (PST) | | From | Linus Torvalds <> | | Subject | Re: swap killer kernels |
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On Mon, 30 Mar 1998, Pavel Machek wrote: > > Please keep in mind that there are many uses where there's no > swap. Ram is pretty cheap these days, and when you have 20 machines > 32Meg each, lazy option is not to give them any disks. (Also, so-called > network computers do not have any disks). As we are not able to swap > over network (well, we are, but with pretty ugly paches), we should > not depend on swap _too_ much.
Note that if you have plenty of RAM, having no swap is not a problem at all. I should have made that clear. It is only when you're starting to press the machine a bit that it starts being beneficial to have swap.
One easy way to determine this is to just temporarily create a small swapfile, and enabling it. If it doesn't really get used (maybe just a few hundred kB or so actually ever used in normal operation), there's no point in having it, and you have "plenty RAM" for what you are doing.
And finally, Linux _will_ work without swap even if you'd need it a bit, it just won't be as efficient as it should be.
Linus
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