Regarding paging... The only three situations in which I consider paging
acceptable nowadays on workstations and servers, when a handful of
dollars buys you a few GB RAM:
1. For resilience in exceptional/emergency situations, when the
alternative would be an OOM kill or a crash.
2. When an application with massive memory requirements was
designed/tuned specifically to work well with OS's virtual memory behavior.
3. Cloud and shared-hosting servers that don't care if performance blows.
None of my personal machines even have swap partitions, and I don't
recall using even half of my RAM. In this screenshot of lower-right
corner of my screen, it tells me I'm using 16% of 3GB RAM on this
workstation that's running Linux, X, XMonad, PostgreSQL server, Apache,
and several different Racket SCGI servers, in addition to my bloated
email client: http://i.imgur.com/fCBBR.png
--
http://www.neilvandyke.org/
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