[jira] [Updated] (PDFBOX-5217) Rendering takes up too much memory, easy OOM

2021-06-16 Thread lanshiqin (Jira) 


 [ 
https://issues.apache.org/jira/browse/PDFBOX-5217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

lanshiqin updated PDFBOX-5217:
--
Priority: Major  (was: Critical)

> Rendering takes up too much memory, easy OOM
> 
>
> Key: PDFBOX-5217
> URL: https://issues.apache.org/jira/browse/PDFBOX-5217
> Project: PDFBox
>  Issue Type: Improvement
>  Components: Rendering
>Affects Versions: 2.0.24, 3.0.0 PDFBox
> Environment: Oracle JDK 1.8.0_291-b10
> MacOS BigSur  (CPU i5, RAM8GB)
> Windows 10 (CPU  i7  2.80GHz, RAM 16GB)
>Reporter: lanshiqin
>Priority: Major
>
> Conversion of a 20MB PDF file to an image resource consumes more than 8GB of 
> memory and takes 5 minutes. That's an intolerable fact.
> Debug found that the memory soared when the file stream was finally read.
> This is my code：
>  
> {code:java}
> try(InputStream in = new URL(pdfFileUrl).openStream();
> PDDocument document = PDDocument.load(in, 
> MemoryUsageSetting.setupTempFileOnly())){
> document.setResourceCache(null);
> PDFRenderer renderer = new PDFRenderer(document);
> List imgUrlList = Lists.newArrayList();
> for (int i = 0; i < document.getNumberOfPages(); i++) {
> BufferedImage bufferedImage = renderer.renderImageWithDPI(i, DPI);
> File tempFile = new File(OFFICE_CONVERT_TEMP_DIR + fileName + "_" + 
> i);
> try {
> ImageIO.write(bufferedImage, "png", tempFile);
> imgUrlList.add("upload to media center get url todo "+i);
> } finally {
> FileUtils.deleteQuietly(tempFile);
> bufferedImage.getGraphics().dispose();
> }
> }
> return imgUrlList;
> }
> {code}
>  



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[jira] [Updated] (PDFBOX-5217) Rendering takes up too much memory, easy OOM

2021-06-16 Thread lanshiqin (Jira) 


 [ 
https://issues.apache.org/jira/browse/PDFBOX-5217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

lanshiqin updated PDFBOX-5217:
--
Issue Type: Improvement  (was: Bug)

> Rendering takes up too much memory, easy OOM
> 
>
> Key: PDFBOX-5217
> URL: https://issues.apache.org/jira/browse/PDFBOX-5217
> Project: PDFBox
>  Issue Type: Improvement
>  Components: Rendering
>Affects Versions: 2.0.24, 3.0.0 PDFBox
> Environment: Oracle JDK 1.8.0_291-b10
> MacOS BigSur  (CPU i5, RAM8GB)
> Windows 10 (CPU  i7  2.80GHz, RAM 16GB)
>Reporter: lanshiqin
>Priority: Critical
>
> Conversion of a 20MB PDF file to an image resource consumes more than 8GB of 
> memory and takes 5 minutes. That's an intolerable fact.
> Debug found that the memory soared when the file stream was finally read.
> This is my code：
>  
> {code:java}
> try(InputStream in = new URL(pdfFileUrl).openStream();
> PDDocument document = PDDocument.load(in, 
> MemoryUsageSetting.setupTempFileOnly())){
> document.setResourceCache(null);
> PDFRenderer renderer = new PDFRenderer(document);
> List imgUrlList = Lists.newArrayList();
> for (int i = 0; i < document.getNumberOfPages(); i++) {
> BufferedImage bufferedImage = renderer.renderImageWithDPI(i, DPI);
> File tempFile = new File(OFFICE_CONVERT_TEMP_DIR + fileName + "_" + 
> i);
> try {
> ImageIO.write(bufferedImage, "png", tempFile);
> imgUrlList.add("upload to media center get url todo "+i);
> } finally {
> FileUtils.deleteQuietly(tempFile);
> bufferedImage.getGraphics().dispose();
> }
> }
> return imgUrlList;
> }
> {code}
>  



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[jira] [Updated] (PDFBOX-5217) Rendering takes up too much memory, easy OOM

2021-06-16 Thread Tilman Hausherr (Jira) 


 [ 
https://issues.apache.org/jira/browse/PDFBOX-5217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Tilman Hausherr updated PDFBOX-5217:

Summary: Rendering takes up too much memory, easy OOM  (was: PDF to 
picture, take up too much memory，easy OOM)

> Rendering takes up too much memory, easy OOM
> 
>
> Key: PDFBOX-5217
> URL: https://issues.apache.org/jira/browse/PDFBOX-5217
> Project: PDFBox
>  Issue Type: Bug
>  Components: Rendering
>Affects Versions: 2.0.24, 3.0.0 PDFBox
> Environment: Oracle JDK 1.8.0_291-b10
> MacOS BigSur  (CPU i5, RAM8GB)
> Windows 10 (CPU  i7  2.80GHz, RAM 16GB)
>Reporter: lanshiqin
>Priority: Critical
>
> Conversion of a 20MB PDF file to an image resource consumes more than 8GB of 
> memory and takes 5 minutes. That's an intolerable fact.
> Debug found that the memory soared when the file stream was finally read.
> This is my code：
>  
> {code:java}
> try(InputStream in = new URL(pdfFileUrl).openStream();
> PDDocument document = PDDocument.load(in, 
> MemoryUsageSetting.setupTempFileOnly())){
> document.setResourceCache(null);
> PDFRenderer renderer = new PDFRenderer(document);
> List imgUrlList = Lists.newArrayList();
> for (int i = 0; i < document.getNumberOfPages(); i++) {
> BufferedImage bufferedImage = renderer.renderImageWithDPI(i, DPI);
> File tempFile = new File(OFFICE_CONVERT_TEMP_DIR + fileName + "_" + 
> i);
> try {
> ImageIO.write(bufferedImage, "png", tempFile);
> imgUrlList.add("upload to media center get url todo "+i);
> } finally {
> FileUtils.deleteQuietly(tempFile);
> bufferedImage.getGraphics().dispose();
> }
> }
> return imgUrlList;
> }
> {code}
>  



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