On 12/21/06, Ezra Zygmuntowicz <[EMAIL PROTECTED]> wrote:
The rails send_file method is not the same thing as setting an X-
SendFile header. If you are already using lighttpd for your server
then your in good shape. THe rails send_file method actually does
read the whole file into memory as it sends it to the client. SO you
will see memory problems like you have if you use it on large files.
The nice way to do it is to use the X-SendFile header in lighty. In a
rails action that just wants to serve a static file from somewhere
off the filesystem you can make it look like this:
To be clear, send_file does not read the whole file into memory -- it blows
chunks into the output stream. Mongrel and pure-Ruby FastCGI use StringIO to
buffer the response before sending it to the client.
X-Sendfile is definitely the way to go in any case.
jeremy
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