Rails - Apr 2013 - Experienced advices for high traffic website / CDN's with origin pull feature ?

Hello guys,

Recently i got into rackspace and built a stack based on nginx / unicorn /
rails / mongodb / ubuntu and so far am really happy with it.

Now am starting to change my focus from development to testing and
improving performance, so i started by trying to give a change to Cloud
Files but perhaps it still have one annoying inconvenient ( at least for
me, let me know if there''s a nice workaround for those ) which is lack
of
the origin pull feature.

Perhaps going for Amazon Cloudfront or AKAMAI will solve that issue
smoothly ( am i wrong? any advices on this ? ).


Another thing is, my interface is built on top of another framework wich
isn''t integrated into sprockets, its MVC, has it own compiler, and
finishs
delivering me one nice and neat css and js file.

My idea so far is to refresh the cache for those assets by creating a
folder with an auto increment number for each deployed version, i mean, i
wish i had a better integration with sprockets here but so far this is the
easiest way i could think about.

The site will have huge amount of visits, and perhaps the only
"dynamic"
feature i''ll have is search, so my idea is to keep only one server with
a
reasonable amount of RAM here in london, and cache everything else on the
CDN.

As this is my first application written in rails i would like to know if
any of you guys have anything to add or had experience problems before with
this sort of strategy.

Thanks a lot.

respect,
peace

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