> From: David Vos [mailto:[EMAIL PROTECTED]]
> 
> We are running a website that provides classic literature in several
> different formats (by chapter, pdf, postscript, etc), and we are
moving
> over to cocoon for better flexibility.  The server handles several
hundred
> thousand hits a day, so performance is an issue.
> 
> As it is, it can take cocoon awhile to process large requests (eg. pdf
> format of a several megabyte book).  It would be nice to send the user
> some kind of "Please Wait" message, and then send them the file when
it is
> ready.
> 
> One idea that would work for html files would be to send the user an
html
> file that refreshes itself every 3 seconds.  If the requesed file does
not
> exist, send the message.  There is one major problem with this that I
> see:  If multiple people request the same un-cached file, does Cocoon
> spawn multiple processes to build the same file?  If so, then the

Yes. You will have to build your own synchronization mechanism to avoid
this.

Vadim


> wait-3-seconds-and-refresh idea could add a pretty nasty load.
> 
> Any other ideas?  Or is this just a dumb idea to begin with?  : )
> 
> (I have no idea how to do this with non-html files).
> 
> David


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