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Message from discussion Engineering Tradeoffs of ANF transforms and the Stateless Server
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Neil Van Dyke  
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 More options Dec 31 2011, 4:03 pm
From: Neil Van Dyke <n...@neilvandyke.org>
Date: Sat, 31 Dec 2011 16:03:50 -0500
Local: Sat, Dec 31 2011 4:03 pm
Subject: Re: [racket] Engineering Tradeoffs of ANF transforms and the Stateless Server
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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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