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https://issues.apache.org/jira/browse/PDFBOX-3808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergei Ovchinnikov updated PDFBOX-3808:
---------------------------------------
Affects Version/s: 2.0.6
Fix Version/s: 2.0.7
> Strange memory behavior on load PDDocument
> ------------------------------------------
>
> Key: PDFBOX-3808
> URL: https://issues.apache.org/jira/browse/PDFBOX-3808
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.6
> Reporter: Sergei Ovchinnikov
> Fix For: 2.0.7
>
> Attachments: out2.pdf
>
>
> It takes ~600mb of memory after loading a single page document (with embeded
> fonts). Memory usage grows slightly with the increasing number of pages in
> the document. What's wrong with this PDF (I've not noticed strange patterns
> in PDF debugger) ?
> {code}
> public static void main(String[] args) throws Exception {
> File in = new File("out2.pdf");
> File out = new File("out2_.pdf");
> if (!out.exists()) {
> out.createNewFile();
> }
> InputStream inputStream = null;
> OutputStream outputStream = null;
> System.out.println("start pdf 2 pdf");
> PDDocument doc = null;
> try {
> final long startTime = System.currentTimeMillis();
> inputStream = new BufferedInputStream(new FileInputStream(in));
> outputStream = new BufferedOutputStream(new
> FileOutputStream(out));
> System.out.println(MessageFormat.format("before loading
> totalMemory: {0}, free: {1}, max: {2}",
> Runtime.getRuntime().totalMemory(),
> Runtime.getRuntime().freeMemory(),
> Runtime.getRuntime().maxMemory()));
> doc = PDDocument.load(inputStream,
> MemoryUsageSetting.setupTempFileOnly());
> System.out.println(MessageFormat.format("after loading
> totalMemory: {0}, free: {1}, max: {2}",
> Runtime.getRuntime().totalMemory(),
> Runtime.getRuntime().freeMemory(),
> Runtime.getRuntime().maxMemory()));
> System.out.println("save");
> doc.save(outputStream);
> final long endTime = System.currentTimeMillis();
> System.out.println(MessageFormat.format("it takes
> {0,number,#.###} s to handle pdf 2 pdf ",
> (endTime - startTime) / 1000.));
> } finally {
> try {
> if (doc != null) {
> doc.close();
> }
> } finally {
> IOUtils.closeQuietly(inputStream);
> IOUtils.closeQuietly(outputStream);
> }
> }
> System.out.println("ok");
> }
> {code}
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