[ https://issues.apache.org/jira/browse/PDFBOX-5286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17432539#comment-17432539 ]
ASF subversion and git services commented on PDFBOX-5286: --------------------------------------------------------- Commit 1894451 from le...@apache.org in branch 'pdfbox/trunk' [ https://svn.apache.org/r1894451 ] PDFBOX-5286: dereference compressed object stream object only once > Runtime degredation in RC1 and alpha2 > ------------------------------------- > > Key: PDFBOX-5286 > URL: https://issues.apache.org/jira/browse/PDFBOX-5286 > Project: PDFBox > Issue Type: Bug > Components: Parsing > Affects Versions: 3.0.0 PDFBox > Reporter: Maruan Sahyoun > Priority: Critical > > working/reviewing PDFBOX-5068 and PDFBOX-5263 I've experiencing runtime > issues for both 3.0.0-RC1 and 3.0.0-alpha2 when loading and saving a large PDF > https://crossasia-books.ub.uni-heidelberg.de/xasia/reader/download/506/506-42-86246-2-10-20190822.pdf > > ||version||runtime in millis|| > |2.0.24 |2076| > |3.0.0-RC1 |219472| > |3.0.0-alpha2 |282284| > Basic test: > {code:java} > long start = System.currentTimeMillis(); > PDDocument pdf = Loader.loadPDF(new File("506-42-86246-2-10-20190822.pdf")); > pdf.save(new NullOutputStream()); > pdf.close(); > long end = System.currentTimeMillis(); > System.out.println("Elapsed Time in milliseconds: "+ (end-start)); > {code} > with NullOuputStream > {code:java} > package org.apache.pdfbox; > import java.io.IOException; > import java.io.OutputStream; > public class NullOutputStream extends OutputStream { > @Override > public void write(byte[] b) throws IOException { > // don't write anything > } > @Override > public void write(byte[] b, int off, int len) throws IOException { > // don't write anything > } > @Override > public void write(int b) throws IOException { > // don't write anything > } > } > {code} > I've also running tests using JMH - they support these numbers. The > difference in numbers for RC1/alpha2 are within a regular variation. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org For additional commands, e-mail: dev-h...@pdfbox.apache.org