I am using PDFBox 2.0.8 I will try to make those tests and let you know.
Best regards, Hesham -------------------------------------------------------------------------------------------------- Included Message: Yeah but it should free most of the stuff. It would be worth testing whether is an OutOfMemory if you open and close the document a lot of times. If no => then don't bother. If yes => please test whether the problem is gone with jdk11 or jdk14, if not, please share the file. (I assume you are using PDFBox 2.0.19) Tilman Am 25.03.2020 um 11:17 schrieb Hesham Gneady: > I think it's because the book I'm testing is 400 MB in size, and it > has more than 9500 pages of OCRed content :) > > > Best regards, > Hesham > > ---------------------------------------------------------------------- > ---------------------------- > Included Message: > > Hi, > > That is a good version. > > Yes I'm surprised with the results. There is some permanent stuff, but I > didn't expect it to be that high (58 MB). > However a real memory leak could be proven (somewhat) only by running that > open and close several times. > > Tilman > > Am 24.03.2020 um 20:24 schrieb Hesham Gneady: >> 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 >> > > --------------------------------------------------------------------- > 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
