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https://issues.apache.org/jira/browse/PDFBOX-1798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14169803#comment-14169803
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ASF subversion and git services commented on PDFBOX-1798:
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Commit 1631519 from [~tilman] in branch 'pdfbox/branches/1.8'
[ https://svn.apache.org/r1631519 ]
PDFBOX-1798: use base class to allow performance optimization, as suggested by
Dmytro Karimov
> Performance problem with PDDocument.saveIncremental (when signing document)
> ---------------------------------------------------------------------------
>
> Key: PDFBOX-1798
> URL: https://issues.apache.org/jira/browse/PDFBOX-1798
> Project: PDFBox
> Issue Type: Improvement
> Components: Signing, Writing
> Affects Versions: 1.8.3, 2.0.0
> Reporter: Dmytro Karimov
> Labels: patch, performance
> Fix For: 2.0.0
>
> Attachments: PDFBOX-1798.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Performance problem in class COSWriter:
> Constructor of COSWriter takes 2 args:
> COSWriter(OutputStream os, FileInputStream is)
> method saveIncremental in class PDDocument:
> saveIncremental(FileInputStream input, OutputStream output)
> It create COSWriter with this args. If I pass FileInputStream into
> saveIncremental then signing the document goes quite a long time.
> If you pass BufferedInputStream, the signing speed is increases. But alas,
> this is not possible, because the parameters of the method saveIncremental
> does not allow to do this.
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