[Mongrel] streaming video with mongrel

Pete DeLaurentis pete at nextengine.com
Thu Sep 13 12:05:59 EDT 2007

You can use X-Sendfile.  Your mongrel / ruby application simply sends  
back a X-Sendfile header pointing to the local file that you want to  
download to the user.

The web-server then takes over and streams the file to the server,  
and your mongrel process gets to continue without having to wait for  
the download.

I use it with Lighttpd 1.5, and it works very well.  From what I  
hear, this is also possible with Apache.

This lets you have some security of download + still have speed.


On Sep 13, 2007, at 8:47 AM, Joel Nylund wrote:

> Hi, on my site I have several screen casts (using flash video flv) in
> addition to the normal rails application which is the core service,
> my setup is apache proxy/balancing to 2 mongrels.
> I was thinking I should probably not be serving up streaming video
> from mongrel as it will occupy the mongrel processes for long periods
> of time right?
> So I was thinking of excluding a directory from the proxy and serving
> videos up from apache.
> Does anyone have an example of how to do this and or agree its a good
> idea to not serve the videos from mongrel and offload this work to
> apache?
> thanks
> Joel
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