On Fri, 17 Aug 2001 [EMAIL PROTECTED] wrote: > This has me curious. If I don't need much swap, should I not make much swap? > Or is there no upper limit? If it's the more the marrier, why not always just > make, say, 500MB? The point of swap space is to allow you to have more programs `running' than you can actually fit in your physical memory. If you have swap, when you exaust all of your physical memory the OS can "swap to disk" those bits of memory that are not actually being accesses. In this way the fact that they are not in physical memory and are on slow disk doesn't matter because that bit of memory is not being accessed. When it does need to be accessed it gets swapped back in and seomething else is swapped out. Determining th right amount of swap space is really black magic. It should be the case that swap + phyical + (some margin of a few %) = the total amount of memory used by all applications you might wish to have running at the one time. If you've already got a linux box then just try opening up everything you might ever want opened at once, check the momory consumption, add a few % to this number, and that should be about your total swap + physical memory number.
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