Hi Kirk,
I'm wondering if we're being hit by this issue in our application. We
generate a lot of thumbnails on the fly and use send_file to transfer
the data back to the browsers.
Checking the rails docks for send_file it indicates, that unless you
use the option :stream => false, the file will be read into a 4096
byte buffer and streamed to the client.
http://api.rubyonrails.com/classes/ActionController/Streaming.html#M000093
Is this a bug in send_file?
Cheers
Dave
On 06/11/2007, at 8:39 AM, Kirk Haines wrote:
> This falls under the category of creating http responses. If you are
> using send_file within Mongrel, then the response object that is
> created will contain all of the file contents. If your file is small
> to moderately sized, that's no big deal, but if you start pushing
> large files around, it will have an impact on your RAM usage. Pushing
> huge files via send_file necessarily implies huge RAM usage.
>
> Don't do that. x_send_file is one way to avoid doing that.
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