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https://issues.apache.org/jira/browse/PDFBOX-5731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17796721#comment-17796721
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Axel Howind commented on PDFBOX-5731:
-------------------------------------
Added patch for *PDFBox 2*
"PDFBOX-5731_clear_out_unused_COSName_instances_automatically_PDFBOX2.patch".
Test results:
{noformat}
0, size=536
1000000, size=851241
2000000, size=1644093
3000000, size=2583211
4000000, size=3396553
5000000, size=4225041
6000000, size=5032822
7000000, size=5840594
8000000, size=6840054
9000000, size=7581711
after loop: 8579952
System.gc(): 535
after clearResources(): 535{noformat}
> org.apache.pdfbox.cos.COSName#nameMap There is a memory leak problem.
> ---------------------------------------------------------------------
>
> Key: PDFBOX-5731
> URL: https://issues.apache.org/jira/browse/PDFBOX-5731
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.30, 3.0.1 PDFBox
> Reporter: liu
> Priority: Major
> Attachments: COSName.java,
> PDFBOX-5731_clear_out_unused_COSName_instances_automatically_PDFBOX2.patch,
> PDFBox5731_clear_out_unused_COSName_instances_automatically_PDFBOX3.patch,
> attempted_fix_for_PDFBOX-5731__clear_out_unused_COSName_instances_automatically.patch,
>
> attempted_fix_for_PDFBOX-5731__clear_out_unused_COSName_instances_automatically_2.patch,
>
> attempted_fix_for_PDFBOX-5731__clear_out_unused_COSName_instances_automatically_using_cleaner.patch,
> image-2023-12-08-16-02-12-293.png, image-2023-12-13-17-04-22-073.png,
> image-2023-12-14-18-10-14-278.png, screenshot-1.png, screenshot-2.png,
> screenshot-3.png, screenshot-4.png, screenshot-5.png, screenshot-6.png,
> screenshot-8.png
>
>
> !image-2023-12-08-16-02-12-293.png!
> !screenshot-1.png!
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