[jira] [Commented] (PDFBOX-2323) More flexible image caching (OOM)

["Andreas Lehmkühler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14614816#comment-14614816 ] 

Andreas Lehmkühler commented on PDFBOX-2323:
--------------------------------------------

Everything works fine using the current trunk version. I've checked PDFReader and PDFToImage -resolution 300 using the attached pdf.

[~tilman] Do you still have the described issue?

> 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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