Prior to today, I last exported a space which contains about 1,500 pages in November, 2018. At that time the total size of the PDF export was 5.5MB.
Today, I tried to export the same space to PDF and the resulting PDF output was 1.4GB. Nothing substantially has changed in this space in the past two year, a few dozen page creations, but nothing that would explain such an astronomical increase in size.
The pages are almost heavily text-based, very few images, and are all based in the "old" editor. Each does contain a few macros (e.g. "info", "code block") available in the old editor.
What could explain this growth? How can I get it down to a size that I can actually distribute again?
As Pavel stated this is a known issue that Atlassian is trying to gather the impact on. I would encourage you to vote on the following issues to help them know what to move forward.
Once the PDF is created you can compress is. You can use Acrobat (If you own it) or a free online compression tool like Small PDF. I know that it is an extra step and not an ideal solution but it is a work around for the time being.
Thank you for your direction to the documentation of these issues. I've found the equivalent issues for the Cloud version and upvoted those.
I do have a full copy of Acrobat and had already thought to do the compression as you have suggested, but the file is so big that the application freezes when I try to do much with it. I'll try it again on a more powerful computer.
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