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https://issues.apache.org/jira/browse/PDFBOX-5530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17620788#comment-17620788
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Tilman Hausherr commented on PDFBOX-5530:
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The 20M is when the file is compressed. Maybe uncompressed it is much more.
setupMainMemoryOnly puts all in RAM. setupTempFileOnly puts some data in a temp
file. Please attach your file and tell what -Xmx value you use.
> Java heap space
> ---------------
>
> Key: PDFBOX-5530
> URL: https://issues.apache.org/jira/browse/PDFBOX-5530
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.25
> Reporter: liu
> Priority: Blocker
> Attachments: image-2022-10-20-14-30-19-790.png,
> image-2022-10-20-14-30-57-332.png, image-2022-10-20-14-32-10-258.png
>
>
> code（only this part of the code）：
> PDDocument load = PDDocument.load(file,
> MemoryUsageSetting.setupTempFileOnly(-1);
>
> hi. Why do I configure it like this, it still takes up so much memory? What
> is the effect of using setupTempFileOnly.
> !image-2022-10-20-14-30-19-790.png!
> !image-2022-10-20-14-30-57-332.png!
> !image-2022-10-20-14-32-10-258.png!
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