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. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20170810/09e7411d/attachment-0004.sig>