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https://issues.apache.org/jira/browse/PDFBOX-948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Koegler updated PDFBOX-948:
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Attachment: default-inmemory-workfile.patch
> Don't use temporty files by default for all PDF sizes
> -----------------------------------------------------
>
> Key: PDFBOX-948
> URL: https://issues.apache.org/jira/browse/PDFBOX-948
> Project: PDFBox
> Issue Type: Wish
> Affects Versions: 1.5.0
> Reporter: Martin Koegler
> Attachments: default-inmemory-workfile.patch
>
>
> PDFBOX uses by default temporary files as work space (regardless of the PDF
> size).
> org.apache.pdfbox.io.RandomAcessFile is not buffered, so each read/write
> acess is a system call. There are functions like readlong, which call read 4
> times to read 4 bytes. Additionally, it adds the usual problems with tempory
> files.
> For normal sized PDFs files, the in-memory implementation RandomAccessBuffer
> should not increase the memory usage too much, while providing faster IO as
> all access operations are only memory copies.
>
> Therefore, please consider switching the default to in-memory scratch
> buffers. Users with very large files can still pass a temporary directory.
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