High memory consumption during file saving

[viktor.shevchenko]

Product: PDFTron.NET.x64

Product Version: 10.2.0

Please give a brief summary of your issue:
High memory consumption during file saving

Please describe your issue and provide steps to reproduce it:

1. Load file into PDFTron library
2. Save it with different options.

Please provide a link to a minimal sample where the issue is reproducible:
PDFTron consumes 2.2GB of memory for 1000pages.pdf file. Its size is 93MB.
GitHub - viktorshevchenko210/PdfTronHighMemoryConsumption

Could you please investigate if it can be fixed. Maybe it is possible to save PDF file without any options.

[Ryan]

Could you elaborate why these two flags are important for you?

SDFDoc.SaveOptions.e_compatibility is only if you need to generate a PDF1.4 spec, which is exceedingly rare now.

SDFDoc.SaveOptions.e_hex_strings I have never seen anyone actually use this option, let alone need it.

Can you explain the different save options?

Question: There a number of different save options, can you explain what each is, and how to pick them? Answer: Compatibility Save the document in a manner that maximizes compatibility with older PDF consumers (e.g. the file will not use object and compressed xref streams). In particular this means the file will be saved as PDF 1.4 format. When to Use: Only when you know you have to (for some external requirement reason), since the resulting file will most likely be larger. Linearized Al…

Normally the only flag you use is e_linearized to generate a Fast Web View PDF file.

How does using the e_linearized flag only work for you?