On 10/08/17 21:17, John R Pierce wrote: > On 8/10/2017 1:12 PM, Warren Young wrote: >> It’s a bad idea to do without swap even if you almost never use it, >> because today’s bloated apps often have many pages of virtual memory >> they rarely or never actually touch. You want those pages to get >> swapped out quickly so that the precious RAM can be used more >> productively; by the buffer cache, if nothing else. > > most modern virtual memory OS's don't swap out unused pages, instead, > they swap IN accessed pages directly from the executable file. only > thing written to swap are 'dirty' pages that have been changed since > loading. > Modern? They've been doing that since I did my VMS theory 30-odd years ago.
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