In Rails 3.0 it was possible to stream big files, like CSV or XML, with the self.response_body hack.
Rails 3.1 killed this feature and added streaming. Only that streaming doesn't seem to work, or there isn't documentation on how to send large files. I tried with partials, without partials, with html.erb view instead of csv.erb, and nothing works.
How can you stream large files in rails 3.1?
if you use Apache/Phusion passenger, have you tried using the rack-based x-sendfile ?
EDIT : more info here
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