If it is possible to do what you want to do in cfreport you might want to look 
into that.  I remember a thread a year or two ago where somebody switched from 
raw CF to cfreport and was blown away by the speed difference.

-Nate 

> -----Original Message-----
> From: Daniel [mailto:[email protected]] 
> Sent: Thursday, February 12, 2009 6:47 PM
> To: cf-talk
> Subject: cfdocument pdf generation
> 
> 
> I have a tough question.
> 
> I am trying to use cfdocument to generate a huge PDF file 
> with 5000+ images
> 
> after failing (even with CF64bits and 8GB of RAM), I was 
> analyzing the PDF
> generated by iText (the lib used by coldfusion), and it seams 
> every image
> included in the PDF is using the FlateDecode encoding, instead of the
> DCTDecode for jpeg images
> 
> with the FlateDecode, images get 10x bigger, as FlateDecode is a zlib
> compression
> 
> also, iText tries to use the memory buffer for the cache of 
> the document
> 
> The only way to this document generation to be feasable is if 
> I can change
> iText to use DCTDecode on the images, and use a disk based 
> buffer instead of
> a memory based buffer
> 
> the real question: can I update iText with a more recent 
> version ? if so,
> does this fix this issue? If I can't update the internal iText
> implementation, is there a easy way to convert html to pdf 
> using an external
> iText implementation called by CreateObject ?
> 
> answers suggesting me to use something else than coldfusion 
> won't be very
> helpful, since I already know that, but I want to use 
> coldfusion to generate
> those PDFs Comparing with other PHP and ASP.NET 
> <http://asp.net/> based
> solutions, coldfusion pdf generation is bloated and slow and 
> I am trying to
> fix that
> 
> 
> 

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