Hi Charlie, I'm only talking about non CF file serving, the file download would just be a direct link to the file e.g. http://www.mysite.com/files/somelargefile.avi So it won't get as far as coldfusion processing, it'll just be the web server itself (apache in this case).
Regards Barry On Oct 30, 4:54 am, "charlie arehart" <charlie_li...@carehart.org> wrote: > Barry, do you mean using CFCONTENT from within CFML? If so, then besides what > the > others have said, I'll clarify that you need to be concerned not only with "a > limited > number of http connections that can be made to a server", if by that you > meant the web > server, but also tying up CF threads (the "simultaneous request threads" > setting in > the CF Admin). Each request that starts a CFCONTENT will tie up one of these > threads > while the request is serving content. > > Given that the default number of threads (which varies in Multiserver > deployments and > Server/Standard deployments) or whatever you may have changed them to be, it > may or > may not be an issue tying up threads this way. The best way to tell is to use > a tool > like FusionReactor or SeeFusion, which can show what requests are running at > any time > (and for how long) on CF 6, 7, 8, or 9. You can also see it with the CF Server > Monitor, if you have CF 8 or 9 Enterprise, and as long as you use its "start > monitoring" button. > > Tying up one or a few threads this way for even minutes may not be the end of > the > world, but if something happens where you get a bump in activity (or some > other cause > of slowdowns), then every request thread can become precious. Note as well > that the > speed with which these downloads will finish is dependent on your clients > doing the > downloading, which adds more challenge to how best to accommodate this > situation. > > /charlie arehart > char...@carehart.org > Providing CF and CFBuilder troubleshooting services > athttp://www.carehart.org/consulting > > > > > > > > > -----Original Message----- > > From: cfaussie@googlegroups.com [mailto:cfaus...@googlegroups.com] On > > Behalf Of > > BarryC > > Sent: Thursday, October 28, 2010 5:49 PM > > To: cfaussie > > Subject: [cfaussie] Serving of large files over the web - performance > > impact, > > issues? > > > Hi all, > > > This isn't really a coldfusion specific question, but I thought some > > people here might have dealt with this sort of thing. > > > We are looking at serving of large files (e.g. 4GB) from our web > > servers. We run Apache web servers, but I haven't been able to find > > any useful general information about the impact of serving out large > > files and what performance problems there might be when serving out > > large files in terms of server performance, does one need to be > > running a separate service all together to be dishing out large files > > from a web server? I know there are a limited number of http > > connections that can be made to a server, and these can be tied up if > > someone is spending several hours downloading one file. Obviously > > bandwidth of the server and client is a factor, but I'm not so worried > > about that at the moment. > > > If anyone has experience serving large files any info would be very > > handy :) > > > Thanks > > Barry Chesterman -- You received this message because you are subscribed to the Google Groups "cfaussie" group. To post to this group, send email to cfaus...@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
