[Mongrel] Uploading Large (100mb+) files
stockliasteroid at gmail.com
Tue Nov 28 14:30:34 EST 2006
If you use something like mongrel_upload_progress, the single-threadedness
of Rails is no problem because Mongrel will intercept the upload and not
hand it off to Rails until it's complete. That's what I'm doing at the
moment, and my app runs just fine on one Mongrel.
If you're running large file uploads, I would recommend looking into it
anyway, because your users will surely want some kind of update about how
their upload is going.
On 11/29/06, Vishnu Gopal <g.vishnu at gmail.com> wrote:
> If you're using Rails with Mongrel, file upload currently sucks. If you
> have two mongrels running (say) and two users upload two large files, your
> entire app will be hung just serving those requests. This is because Rails
> can't run safely multi-threaded, and it's not Mongrel's fault.
> An upload only Mongrel could (and should) be written in a framework other
> than Rails. Both Camping and Merb are good choices. In this instance you
> don't need many mongrels since even 1 can simultaneously serve many file
> uploads. So you'll ideally have 1 server where you have one or more mongrels
> running your file upload app, and use that to accept uploads. This is what
> we do at SlideShare: we have a custom Camping app to accept file uploads.
> Your frontend webserver or load balancer would redirect all requests to
> /upload (say) to your uploader mongrel running at it's own port. And all
> other requests can be served some other way. We do this through lighttpd
> On 11/28/06, Rogelio J. Samour <rogelio.samour at gmail.com> wrote:
> > I have an Apache 2.2.3 (mod_proxy_balancer) frontend server that does
> > not have mongrel installed. It does proxy requests to several other
> > mongrel-only servers (each running 2 mongrel processes). Each mongrel
> > node has the same rails code-base and it's working perfectly.
> > However, my question is when I add an upload file form... where is it
> > going to physically put that file? I mean since it's hitting either one
> > node or the other, so how does mongrel deal with that? and how or where
> > do I tell it to accept large files (100mb+) ?
> > I have read on having an upload-only mongrel process, but again how will
> > all the other mongrels know to post the file to it or to a specific
> > folder somewhere? Direction on this would be greatly appreciated!
> > Thanks for your help on this. I searched the forum and didn't find
> > anything specifically dealing with this. I have also checked the mongrel
> > docs and most of the setups talk about mongrel_upload_progress plugin
> > and/or the mongrel_cluster setup...(I may have missed something :-/)
> > cheers,
> > -rjs-
> > p.s. mongrel ROCKS!
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