[racket] hosts with racket (or PLT-Scheme) support

From: Greg Hendershott (greghendershott at gmail.com)
Date: Thu Sep 8 08:56:09 EDT 2011

I really like AWS including EC2. Racket runs well on even a "micro"
instance (which IIRC is within the free tier). Just keep in mind that
an EC2 "micro" instance is unlike the other instance types: The CPU
can be allocated dynamically with other micro instances. You can burst
to faster than a "small", but only for a short time (which is
unspecified but in practice seems to be < 10 seconds at a time). Then
you get throttled back for awhile.

That works perfectly fine for a large chunk of web applications, but
anything doing heavy sustained CPU will really want at least a "small"
instance or larger. With all but "micro" you get a dedicated steady
known amount of CPU.

On Wed, Sep 7, 2011 at 6:37 PM, Neil Van Dyke <neil at neilvandyke.org> wrote:
> Amazon AWS has a new "free tier" for EC2 ("http://aws.amazon.com/free/"),
> which I think gives you enough resources to run a low-traffic Racket server,
> if that 613 MB is usually RAM, not swap.  (Even if that includes the memory
> for the base Linux platform, that can be made pretty small, leaving almost
> all the memory for Racket processes.)
> I will probably be playing with Racket on this AWS free tier soon.
> If you don't want to use EC2, and you're stuck for now on hosting that only
> does CGI, if you code for the very
> bare-bones"http://www.neilvandyke.org/racket-scgi/" library, then you can
> run as CGI with fairly lightweight process startup, and then when you
> upgrade to a real server, it will let you run as fast SCGI without any
> source code changes or recompiling.  Ideally, if you'd like to use the
> Racket Web Server, the process startup to run it as normal CGI can be made
> quick.
> --
> http://www.neilvandyke.org/
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