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Posted to dev@pdfbox.apache.org by "Tim Allison (Jira)" <ji...@apache.org> on 2026/09/16 13:00:00 UTC

[jira] [Updated] (PDFBOX-6268) Avoid rebuilding key cache when possible

     [ https://issues.apache.org/jira/browse/PDFBOX-6268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Allison updated PDFBOX-6268:
--------------------------------
    Attachment: RFFQRH5P3P4YLUL5MWWZIPDQRKAPES2H.pdf
                G7BO7PNCCREVF2BCY5YSYOPYDLMBYASY.pdf

> Avoid rebuilding key cache when possible
> ----------------------------------------
>
>                 Key: PDFBOX-6268
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-6268
>             Project: PDFBox
>          Issue Type: Task
>          Components: Parsing
>            Reporter: Tim Allison
>            Priority: Minor
>         Attachments: G7BO7PNCCREVF2BCY5YSYOPYDLMBYASY.pdf, RFFQRH5P3P4YLUL5MWWZIPDQRKAPES2H.pdf
>
>
> Over on Tika, we found that our {{COSDocument.getObjectsByType(FILESPEC)}} was really expensive on a couple of PDFs.
> The issue was that every object stream parse rebuilds the cache from scratch: xref entries × object streams map insertions.
> With incoming PR, we could get >600s -> ~4 seconds or less.



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