It's 8u231 Do you see something wrong with the results?
Best regards, Hesham -----Original Message----- From: Tilman Hausherr [mailto:thaush...@t-online.de] Sent: Tuesday, March 24, 2020 8:10 PM To: users@pdfbox.apache.org Subject: Re: Consumed memory after closing PDDocument Which one? (Exact version) I'm asking just to check that you haven't an old one, e.g. 40. Tilman Am 24.03.2020 um 17:26 schrieb Hesham Gneady: > JDK 8.0 > > > Best regards, > Hesham > > ---------------------------------------------------------------------- > ---------------------------- > Included Message: > > What jdk are you using? > > Tilman > > Am 24.03.2020 um 17:15 schrieb Hesham Gneady: >> Oh! ... That's absolutely right. I am now getting right results: >> >> 1. Heap before Loading PDF Doc: >> Current heap size: 265289728 >> Free heap size: 212918368 >> -------------------------------- >> 2. Heap after loading the PDF Doc: >> Current heap size: 908066816 >> Free heap size: 342499608 >> -------------------------------- >> 3. Heap after closing the PDF Doc: >> Current heap size: 908066816 >> Free heap size: 849820016 >> -------------------------------- >> >> >> Best regards, >> Hesham >> >> >> -----Original Message----- >> >> Memory is only freed after a GC run. You Need to invoke that explicitly. >> >>> Am 24.03.2020 um 14:40 schrieb Hesham Gneady <heshamgne...@gmail.com>: >>> >>> Hello, >>> >>> >>> >>> I am trying to make a test to see the amount of memory consumed >>> before and after loading a PDF file using PDFBox, and also the >>> consumed memory after closing the PDF file, but I've noticed that >>> the memory consumed after loading the PDF file is the same after >>> closing the PDF file. It seems that i am doing something wrong, or >>> that the PDF is still loaded in memory! . Here is the code I'm using: >>> >>> >>> >>> private String docPath = "c:\400mb.pdf" >>> >>> >>> >>> public void loadPDFDocument() { >>> >>> printHeap( "1. Heap before Loading PDF Doc:" ); >>> >>> >>> >>> PDDocument document = null; >>> >>> try { >>> >>> document = PDDocument.load(new >>> File(docPath)); >>> >>> printHeap( "2. Heap after loading the PDF Doc:" >>> ); >>> >>> } catch (IOException e) { >>> >>> throw new RuntimeException(e); >>> >>> } finally { >>> >>> if (document != null) { >>> >>> try { >>> >>> >>> document.close(); >>> >>> printHeap( "3. >>> Heap after closing the PDF Doc:" ); >>> >>> } catch (IOException e) { >>> >>> >>> e.printStackTrace(); >>> >>> } >>> >>> } >>> >>> } >>> >>> } >>> >>> >>> >>> >>> >>> public void printHeap( String title ) { >>> >>> long heapSize = Runtime.getRuntime().totalMemory(); >>> >>> long heapFreeSize = Runtime.getRuntime().freeMemory(); >>> >>> >>> >>> System.out.println( title ); >>> >>> System.out.println( "Current heap size: " + heapSize >>> ); >>> >>> System.out.println( "Free heap size: " + heapFreeSize >>> ); >>> >>> System.out.println( "--------------------------------" >>> ); >>> >>> } >>> >>> >>> >>> The output for this code when calling loadPDFDocument() is: >>> >>> 1. Heap before Loading PDF Doc: >>> >>> Current heap size: 265289728 >>> >>> Free heap size: 203194096 >>> >>> -------------------------------- >>> >>> 2. Heap after loading the PDF Doc: >>> >>> Current heap size: 899153920 >>> >>> Free heap size: 343428432 >>> >>> -------------------------------- >>> >>> 3. Heap after closing the PDF Doc: >>> >>> Current heap size: 899153920 >>> >>> Free heap size: 343428432 >>> >>> -------------------------------- >>> >>> >>> >>> Am I doing something wrong here? >>> >>> >>> >>> >>> >>> Best regards, >>> >>> Hesham >>> >>> >>> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org >> For additional commands, e-mail: users-h...@pdfbox.apache.org >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org >> For additional commands, e-mail: users-h...@pdfbox.apache.org >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org > For additional commands, e-mail: users-h...@pdfbox.apache.org > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org > For additional commands, e-mail: users-h...@pdfbox.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org For additional commands, e-mail: users-h...@pdfbox.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org For additional commands, e-mail: users-h...@pdfbox.apache.org
