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https://issues.apache.org/jira/browse/PDFBOX-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Hewson updated PDFBOX-2323:
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Summary: More flexible image caching (OOM) (was: More flexible image
caching)
> More flexible image caching (OOM)
> ---------------------------------
>
> Key: PDFBOX-2323
> URL: https://issues.apache.org/jira/browse/PDFBOX-2323
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel, Rendering
> Affects Versions: 2.0.0
> Reporter: John Hewson
> Assignee: John Hewson
> Fix For: 2.0.0
>
> Attachments: PDFBOX-2323-245999-p7-outofmemory.pdf
>
>
> Image caching in PDImageXObject can cause very high memory usage which has
> resulted in issues PDFBOX-2313, PDFBOX-2310, PDFBOX-2101. Images are just so
> large that the current "on size fits all" caching isn't working well.
> Pushing responsibility for caching down to callers of PDImage#getImage()
> would allow for use-case specific caching strategies, for example PDFRenderer
> could cache small images for the duration of a document being rendered,
> rather than having to re-create the PDImageXObject again for every page on
> which it appears. Likewise caching of large images could be limited to a
> single page, or not at all.
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