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https://issues.apache.org/jira/browse/PDFBOX-5068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17417572#comment-17417572
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Maruan Sahyoun commented on PDFBOX-5068:
----------------------------------------
[~rol.bo] Did some quick JMH tests using CreateVisibleSignature2 and the 20MB
file you mentioned like so
{code:java}
CreateVisibleSignature2 signing = new CreateVisibleSignature2(myState.keyStore,
PASSWORD.toCharArray());
Rectangle2D humanRect = new Rectangle2D.Float(100, 200, 150, 50);
signing.setImageFile(new File(JPEG_PATH));
signing.setExternalSigning(false);
destFile = new File("signed_visible2.pdf");
signing.signPDF(new File("506-42-86246-2-10-20190822.pdf"), destFile,
humanRect, null);
{code}
Results are
3.0.0-RC1
{code}
Benchmark Mode Cnt Score Error
Units
PDFBoxBenchmark.testCreateVisibleSignature2 avgt 25 7657,591 ± 312,315
ms/op
{code}
3.0.0-alpha2
{code}
Benchmark Mode Cnt Score Error
Units
PDFBoxBenchmark.testCreateVisibleSignature2 avgt 25 7141,029 ± 226,022
ms/op
{code}
Could you verify if you get similar numbers? Will try with trunk shortly.
> OutOfMemory while signing large documents - continued
> -----------------------------------------------------
>
> Key: PDFBOX-5068
> URL: https://issues.apache.org/jira/browse/PDFBOX-5068
> Project: PDFBox
> Issue Type: Improvement
> Components: Signing
> Affects Versions: 2.0.23
> Reporter: Ralf Hauser
> Assignee: Andreas Lehmkühler
> Priority: Major
> Attachments: RandomAccessReadBufferDiag.java, issue5068.patch,
> minimum.pdf
>
>
> Continuation of PDFBOX-2512
>
> in COSWriter.prepareIncrement(), for the test case
> cosDoc.getXrefTable().keySet() has size 5925. For each of thes keys,
> cosDoc.getObjectFromPool() gets an object that is not just referencing some
> part of the input document, but duplicates it (which is unavoidable in the
> case where they are decompressed with FlateFilter - albeit this could
> possibly be done "lazy")
> -Xmx20m 746/5925
> -Xmx25m 1615/5925
> -Xmx30m 2800/5925
> -Xmx40m 3872/5925
> -Xmx55m 5773/5925
> With 60m, it gets them all, but dies later with less telling
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>
> This assumes the patch of PDFBOX-5067 already in place - or using
> CreateVisibleSignature2.java as starting point
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