Although our site isnot running in Ruby, yet, we have worked through a number of approachesto handling this, but only one has the desired properties we need, which is automatic recovery and minimal impact to running code on failure: exec out another process to do image manipulation.
I must admit that we do the same thing at 37signals. But actually not because of memory leaks, but because we found it easier to do:
def thumbnail(temp, target)
system "convert #{escape(temp)} -resize 48x48! #{escape(target)}"
end
Rather than to get the full RMagick machinery cooking.
--
David Heinemeier Hansson
http://www.37signals.com -- Basecamp, Campfire, Backpack, Getting
Real
http://www.rubyonrails.com -- Web-application framework http://www.loudthinking.com -- Broadcasting Brain
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