Volker Ullmann created PDFBOX-5091:
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Summary: Performance issue when saving PDF to image after
upgrading from PDFBox 2.0.20 to 2.0.21
Key: PDFBOX-5091
URL: https://issues.apache.org/jira/browse/PDFBOX-5091
Project: PDFBox
Issue Type: Bug
Environment: JDK 8 on Windows10
Reporter: Volker Ullmann
Attachments: single_page.pdf
We use PDFBox to save the first page of a PDF as an image to provide a preview
of the document. These PDFs can be relatively complex as they may contain ten
thousands of objects, especially map data. The results are still fine, but when
we upgraded from 2.0.20 to 2.0.21 we had a notable performance decrease. Saving
the first page of the attached sample document now takes nearly 20 sec on my
developer machine, compared to 4 sec with 2.0.20.
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