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Topic: Heavy processing of PDFs with Acrobat
Conf: (P-PDF) Developers, Msg: 136634
Date: 7/22/2005 06:43 AM

I work for a print company, and we process a lot of PDFs we receive from clients. PDF processing can be a pretty intense task, and I have some questions about performance and capability. We are currently using Acrobat 6, controlled through the type library by VB. For all of our PDF jobs, we use the TextSelection object to retrieve address and invoice information, and the Template object (accessed through the JSObject) to add OMR marks to pages. Plus, we add / remove / move / rotate pages, depending on the job. Lastly, the PDF is output to a postscript print driver. Anyway...

Does Acrobat have a limit of 64000 pages? Once I reach 64000 pages, some of my calls to Acrobat fail.

Why do some PDFs take exponentially longer to process as I get further into the file? Example: 16000 page PDF. Saving pages 1-4000 takes less than a minute. Saving pages 12000-16000 takes a couple hours.

Any recommendations on Intel vs AMD for PDF processing? CPU power seems to be one limiting factor at times. Currently, our jobs run on a 3.2 GHz Xeon with 2gigs of RAM. Would more RAM help?

Any recommendations on settings within Acrobat? 'Save As optimizes for Fast Web View' is already disabled. Is there a way to disable the thumbnails, or other visual things that aren't required for this kind of processing?

What happened to the grid? The grid functionality in Acrobat 5 was very useful for me. Is it gone in Acrobat 6 and 7, or have I just not found it yet?

Is Acrobat 7 any faster than Acrobat 6 when it comes to processing and saving? I feel like 6 is slower than 5.

I imagine the number of resources in the PDF has a significant effect on processing speed. Sadly, the input is out of my hands. So, any suggestions I get are greatly appreciated.


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