Daniel Persson created PDFBOX-4296:
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Summary: Question: Performance
Key: PDFBOX-4296
URL: https://issues.apache.org/jira/browse/PDFBOX-4296
Project: PDFBox
Issue Type: Improvement
Components: Rendering
Affects Versions: 2.0.11
Reporter: Daniel Persson
Hi Team.
We use a tool we built using PDFBox to extract text for about 10k pages per
day. Then we have another tool to extract images using Poppler.
We want to use PDFBox for both tasks but sadly we see a performance hit using
PDFBox in the order of 3 times.
Do you have any backlog / technical dept / ideas on how to improve performance?
We have tried -Dorg.apache.pdfbox.rendering.UsePureJavaCMYKConversion=true and
that made image generation much slower.
We have set System.setProperty("sun.java2d.cmm",
"sun.java2d.cmm.kcms.KcmsServiceProvider") in code.
We use image libraries from twelvemonkeys, pdfbox and the standard jai project.
I've read in the code that we do double writes for images using transparency
which might be a culprit.
I have been allowed to put some time into the project if we have some solid
leads or a roadmap to reach better performance.
Hope it's okay to track this issue here instead of a question on the mailing
list.
Best regards
Daniel
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