Thanks for the suggestion. Just a thought.
Is the performance delay is due to slow reading of fonts file ( store from local disk after initial building of caching ) src\pdfbox-2.0.0-RC1-src\pdfbox-2.0.0-RC1\fontbox\src\main\java\org\apache\fontbox\ttf\RAFDataStream.java in 2.0.0-RC1 and SNAPSHOT builds? Saw this discussion suggesting buffered read and your replies also. https://issues.apache.org/jira/browse/PDFBOX-3103 Is the Buffered Read fix available, if so in which SNAPSHOT build. Thanks Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Mailto: [email protected] Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----Sridhar So/BLR/TCS wrote: ----- To: [email protected] From: Sridhar So/BLR/TCS Date: 11/16/2015 08:18PM Subject: Re: Performance Issue with 2.0.0 SNAPSHOT latest builds Dear PDFBox team I used the below code PrinterJob job = PrinterJob.getPrinterJob(); job.setPageable(new PDFPageable(document, Orientation.AUTO, true, 300) ) ; Book book = new Book(); book.append(new PDFPrintable(document, Scaling.ACTUAL_SIZE, true, 300), getPageFormat(receiptType) , document.getNumberOfPages()); job.setPageable(book); PrintRequestAttributeSet attr = new HashPrintRequestAttributeSet(); job.print(attr); I was able to get consistenlty performance of around 11 to 20 secs which is still slow. With 0 dpis in both PDFPageable and PDFPrintable ctors result is inconsitent and time varies widely from 20 to even 140 secs. The input PDF file of 100KB, increased to 1MB. Creating a shareable sample PDF without confidential contents. But the problem with 300 dpi is printout resolution/quality is poor and blurred and no improvements even with 600 dpi. In my machine for 600 dpi throws out of memory exception. ( Wil JVM -Xm option help?, did not try this ) Can we use 1.8.10? It has performance but fonts and alignment issue? What changes have gone to 2.0 compared to 1.8.10? Is it adviceable to use 1.8.10? (there also we got about 13 secs consistently but has alignment and font issue) Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----Sridhar So/BLR/TCS wrote: ----- To: [email protected] From: Sridhar So/BLR/TCS Date: 11/15/2015 10:46PM Subject: Re: Performance Issue with 2.0.0 SNAPSHOT latest builds Dear PDFBox team Please use this mail as previous mail, forgot to attach code used and 1 question was already answered and I removed that Q here. Dear PDFBox team Thanks for response to my earlier query on performance issue. The work around suggested was to use the ctor PDFPageable(pdDocument, Orientation.AUTO, true, 300) while setting PrinterJob pjob instead of PDFPageable(pdDocument), which is supposed to force the java.awt.print.PrinterJob pjob.print() to use rasterization to render image which is supoosed to be faster. //pjob.setPageable(new PDFPageable(pdDocument)); // In my test this caused performance issue ( 40 to 80 secs ) pjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 0) ); //In my test this is about 3 times faster but still 18 to 30 sec. Below are my observations in unit test Compared to 1 ( 40 to 80 sec) above, 2 was faster, but still it took 18 to 28 secs in multiple rounds of test and 18 to 30 sec is also slow. If I used 300 dpi, it was about 14 sec faster comapred with 0 dpi ( last argument to PDFPageable ctor, then the output file ( redirected to MS XPS file ) quality was not good. With 600 dpi, awt.print.Printerjob pjob.print() throws out of memory exception as below With 0 dpi results are not consistent, sometime printout took 60 sec, similar to using ctor with one argument ( 1 ) above. Exception in thread "Thread-3" java.lang.OutOfMemoryError: Java heap space at java.awt.image.DataBufferInt.<init>(Unknown Source) at java.awt.image.Raster.createPackedRaster(Unknown Source) at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source) at java.awt.image.BufferedImage.<init>(Unknown Source) at org.apache.pdfbox.printing.PDFPrintable.print(PDFPrintable.java:169) at sun.print.RasterPrinterJob.printPage(Unknown Source) at sun.print.RasterPrinterJob.print(Unknown Source) at GPDFBox2AppletClass.run(GPDFBox2AppletClass.java:160) at java.lang.Thread.run(Unknown Source) Nov 15, 2015 8:15:58 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document Input PDF file size is 118KB, whereas the output PDF generated by PDFBox 2.0.0 latest SNAPSHOT build ( redirecting to MS XPS printer ) is about 1 MB There was no alignment and font issue with 2.0 but slower OutPut PDF generated by PDFBox was about 500 KB much less in size with PDFBox 1.8.10 and performance was better ( 12 secs in 1.8.10) PDFBox 1.8.10 is faster but fonts are lighter ( it used default fonts and has thrown exception ) Please clarift the following: Is 300 or non zero dpi mandatory, in pjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 300) ) to force awt to use rasterizing. I saw in 2.0.0-RC1 code the other ctors of PDFPageable(pdDocument) using default values for other 3 arguments and what madeÿpjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 0) ) faster, compared toÿpjob.setPageable(new PDFPageable(pdDocument)) which in turn internally uses default 0 dpi as per RC1 source code. Am i missing something. Whether ctor implementations are different in SNAPSHOT code post 2.0.0-RC1? Whyÿpjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 600) ) causes PrinterJob.print() to throw out of memroy exception? ÿIs there any way to increase the dpi without increasing the memory footprint? Why even withÿpjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 0 ) ), the print is slow 18 to 28 sec and withÿpjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 0 ) ), there is only marginal improvement in performance of about 15 to 18 sec. Will seting java property pdfbox.fontcache to a folder with write permission, will remove admin privelage requirement to run PDFBox 2.0.0 to build font cache first time and store in disk subsequent time Is there a way to improve or roadmap to improve performace in 2.0.0, as 2.0.0 has lot of fixes and improvements over 1.8.10, but 2.0 performance is main blocker for many of users. Thanks a lot in advance for PDFBox teamÿ Test results for few tests and code used below ---------------------------------------------------- ÿÿ Test 1 results: ÿ With 300 dpi : ÿpjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 300) ); ----------------ÿ Nov 15, 2015 10:14:08 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document ÿtime for PDDocument.load(is) = 41ms ÿtime for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= 10ms ÿtime for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= 40ms ÿtime for job.print()= 14175ms ÿTotal time = 14.266 seconds Print Quality was not good ( low resolution 300 dpi )ÿ Test 2: ÿresults -----------------ÿ With 300 dpi : ÿpjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, ÿ0) ); ÿtime for PDDocument.load(is) = 71ms ÿtime for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= 20ms ÿtime for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= 50ms ÿtime for job.print()= 64449ms ÿTotal time = 64.59 seconds Printout Quality was very good. Test 3: Repeat with 0 dpi ------------------------------ÿ Nov 15, 2015 10:32:37 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document ÿtime for PDDocument.load(is) = 41ms ÿtime for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= 30ms ÿtime for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= 10ms ÿtime for job.print()= 25054ms ÿTotal time = 25.135 seconds ÿ Printout Quality was very good. Test 4: with ÿÿpjob.setPageable(new PDFPageable(pdDocument)); -----------------ÿ Nov 15, 2015 10:35:28 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document ÿtime for PDDocument.load(is) = 33ms ÿtime for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= 25ms ÿtime for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= 15ms ÿtime for job.print()= 70669ms ÿTotal time = 70.742 seconds ÿ Print Quality is very good. Test 5: repeat with pjob.setPageable(new PDFPageable(pdDocument)); --------------------------ÿ Nov 15, 2015 10:39:24 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document ÿtime for PDDocument.load(is) = 41ms ÿtime for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= 20ms ÿtime for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= 20ms ÿtime for job.print()= 20702ms ÿTotal time = 20.783 seconds Test 6: repeat with pjob.setPageable(new PDFPageable(pdDocument)); --------------------------ÿ Nov 15, 2015 10:40:28 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document ÿtime for PDDocument.load(is) = 40ms ÿtime for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= 20ms ÿtime for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= 10ms ÿtime for job.print()= 66722ms ÿTotal time = 66.792 seconds public void run() { System.setProperty("sun.java2d.cmm", "sun.java2d.cmm.kcms.KcmsServiceProvider"); ÿ ÿ ÿ ÿ PDDocument pdDocument=new PDDocument(); ÿ ÿ ÿ ÿ FileInputStream is = null ; ÿ ÿ ÿ ÿ File f = null ; ÿ ÿ ÿ ÿ try { ÿ ÿ ÿ ÿ f = new File("C:\\Users\\Rangarajan\\Downloads\\Decodedpdf.pdf" ) ; ÿ ÿ ÿ ÿ if ( is != null ) {is.close(); } ÿ ÿ ÿ ÿ is = new FileInputStream(f) ; ÿ ÿ ÿ ÿ ÿ//Please set Java property pdfbox.fontcache = directory path where user id has write permissionÿ ÿ ÿ ÿ ÿ ÿ//It should resolve the need for admin privilege. System.out.println ( "System.getproperty of pdfbox.fontcache = " + System.getProperty("pdfbox.fontcache")) ; System.out.println ( "System.getproperty of user.home = " + System.getProperty("user.home")) ; ÿ ÿ ÿ ÿ ÿ ÿlong t1 = ÿSystem.currentTimeMillis() ; pdDocument = PDDocument.load(is); long t2 = ÿSystem.currentTimeMillis() ÿ; PrinterJob pjob = PrinterJob.getPrinterJob(); PrintService printService = PrintServiceLookup.lookupDefaultPrintService() ; //DocPrintJob docPrintJob = printService.createPrintJob(); long t3 = ÿSystem.currentTimeMillis() ÿ; ÿ ÿ pjob.setPrintService(printService) ; ÿ //pjob.setPageable(new PDFPageable(pdDocument)); ÿ ÿ// In my test this caused performance issue ( 40 to 80 secs ) pjob.setPageable( new PDFPageable(pdDocument, Orientation.AUTO, true, 300) ); ÿ//In my test this is about 3 times faster ( around 20 sec ) ÿ long t4 = ÿSystem.currentTimeMillis() ÿ; PrintRequestAttributeSet attr = new HashPrintRequestAttributeSet(); ÿ ÿ pjob.print(attr); //printWithPaper(pdDocument, "A4") ; ÿ ÿ long t5 = ÿSystem.currentTimeMillis() ÿ; ÿ System.out.println ( " time for PDDocument.load(is) = " ÿ+ String.valueOf(t2 - t1) + "ms\n" + ÿ " time for PrinterJob job = PrinterJob.getPrinterJob(); ÿ= " + ÿ String.valueOf(t3-t2 ) + "ms\n" +ÿ " time for job.setPageable(new PDFPageable(pdDocument), null, true, 0) ÿ= " + String.valueOf(t4-t3 ) + "ms\n" +ÿ " time for job.print()= " + String.valueOf(t5-t4 ) + "ms\n" + " Total time = " + String.valueOf( (t5 - t1)/1000.0 ) + " seconds\n " ÿ) ; ÿ ÿ ÿ ÿ } catch (IOException e1) { e1.printStackTrace(); } catch (PrinterException e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { try { pdDocument.close() ; is.close() ; } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----Sridhar So/BLR/TCS wrote: ----- To: [email protected] From: Sridhar So/BLR/TCS Date: 11/14/2015 07:01PM Subject: Re: Performance Issue with 2.0.0 SNAPSHOT latest builds Dear PDFBox team Thanks for your response to below query. I set the Java property value pdfbox.fontcache to JDK lib directory where fonts are ther ÿ( D:\\Softwares\\Java\\jre7\\lib\\fonts ). I set the java property within the code before PDFBox API calls usingÿ System.setProperty("pdfbox.fontcache", "D:\\Softwares\\Java\\jre7\\lib\\fonts") ; First time execution it took 140sec and created the cache file .pdfbox in the given directory Subsequent time it took same 24 to 60 secs and no improvement in performance. ÿ The difference noticed was, earlier ÿ.pdfbox file was created in user.home directory, now given directory but on performance side no noticable difference. My OS is MS Windows 7 home basic, since the user id has admin privilage, did not have admin issue.ÿ In another machine/work machine with admin user id/prvilage, PDFBox could create font cache, but the performance was slow ( 30 sec + ) We use only Ariel and Time New Roman. ÿ If the default font is chosen as Ariel in 1.8.10 code, that should be fine as 1.8.10 has performance, but fonts are lighter. Alternatively if 2.0.0 ÿis optimized for performance, that will be great.ÿ FYI PDF file ( redireting the print to MS XPS Printer type file ), the size of PDF file generated in 1.8.10 is about 151 KB, whereas the size of PDF file created using 2.0 is 1152 KB ( about 10 times larger ).ÿ It job.print() which takes lot of time. ÿTime profile output below System.getproperty of pdfbox.fontcache = D:\Softwares\Java\jre7\lib\fonts System.getproperty of user.home = C:\Users\Rangarajan Nov 14, 2015 6:58:22 PM org.apache.pdfbox.cos.COSDocument finalize WARNING: Warning: You did not close a PDF Document ÿPDDocument load time = 30ms PrinterJob creation time = 10ms job.setPageable ( new PDFPageable(pdDocument) time = 0ms job.print(); Printing Time = ÿ58129ms Total time = 58.169 secondsÿ Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----Sridhar So/BLR/TCS wrote: ----- To: [email protected] From: Sridhar So/BLR/TCS Date: 11/14/2015 01:36AM Cc: [email protected] Subject: Performance Issue with 2.0.0 SNAPSHOT latest builds Subject line changed. Sridhar Sowmiyanarayanan Tata Consultancy Services Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----Sridhar So/BLR/TCS wrote: ----- To: [email protected] From: Sridhar So/BLR/TCS Date: 11/14/2015 01:32AM Cc: [email protected] Subject: Re: Returned post for [email protected] Dear PDFBox Developers/Contributors Thanks for reply, I tested with latest SNAPSHOT buildsÿ https://repository.apache.org/content/groups/snapshots/org/apache/pdfbox/preflight-app/2.0.0-SNAPSHOT/ ------> build 1823 https://repository.apache.org/content/groups/snapshots/org/apache/pdfbox/pdfbox-app/2.0.0-SNAPSHOT/ ---------> build 1800 and 1801 ÿFont cache rebuild is not happening every time and it is able to use from local store, however build 1800 & 1801 requires Admin privilage.ÿ ÿCompared to PDFBox version 1.8.10, 2.0.0 SNAPSHOT builds performance is slow ÿ ( 1.8.10 about 13 seconds, but 2.0.0 SNAPSHOT 1800, 1801 takes 30 seconds. ) ÿMeasured the time difference between 1.8.10 and 2.0.0 SNAPSHOT builds with following code ÿGetting 13 to 19 seconds in 1.8.10, whereas in 2.0.0SNAPSHOT builds 22 to 36 secondsÿ ÿÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ ÿ long t1 = ÿSystem.currentTimeMillis() ; pdDocument = PDDocument.load(is); long t2 = ÿSystem.currentTimeMillis() ÿ; PrinterJob job = PrinterJob.getPrinterJob(); ÿ ÿjob.setPageable(new PDFPageable(pdDocument)); ÿ// ÿVersion 2.0.0 SNAPSHOT builds //job.setPageable(new PDPageable(pdDocument)); // ÿVersion 1.8.10ÿ ÿ ÿjob.print(); long t3 = ÿSystem.currentTimeMillis() ÿ; //printWithPaper(pdDocument, "A4") ; System.out.println ( " PDDocument load time = " ÿ+ÿ String.valueOf(t2 - t1) + " Printing Time = ÿ" + String.valueOf(t3-t2 ) + " Total time = " + String.valueOf( (t3 - t1)/1000.0 ) + " seconds " ÿ) ; ÿ Do we haveÿ Performance fix available in 2.0.0 SNAPSHOTS, if so please give full path and which build? Is there a fix available where ÿAdmin privelage is not required? Thanks a lot for your reply in advance. FYI ----ÿ Alignment issue is still there in 2.0.0 and my attempt to adjust alignment using below code takes lot of time.ÿ PageFormat pageFormat = new PageFormat(); ÿ ÿ ÿ ÿ pageFormat.setOrientation(PageFormat.PORTRAIT); ÿ ÿ ÿ ÿ Paper paper= pageFormat.getPaper(); if ("SLEEK".equalsIgnoreCase(receiptType)) { ÿ ÿ ÿ ÿ ÿ ÿpaperWidth = 3.14; ÿ ÿ ÿ ÿ ÿ ÿ paperHeight = 50; ÿ ÿ ÿ ÿ } else if ("LETTER".equalsIgnoreCase(receiptType)) { ÿ ÿ ÿ ÿ ÿ ÿ paperWidth = 8.5; ÿ ÿ ÿ ÿ ÿ ÿ paperHeight = 11; ÿ ÿ ÿ ÿ } else if ("LEGAL".equalsIgnoreCase(receiptType)) { ÿ ÿ ÿ ÿ ÿ ÿ paperWidth = 8.5; ÿ ÿ ÿ ÿ ÿ ÿ paperHeight = 14; ÿ ÿ ÿ ÿ } ÿ ÿ ÿ ÿ ÿ else ÿ ÿ ÿ ÿ { ÿ ÿ ÿ ÿ ÿ ÿ paperWidth = 8.3; ÿ ÿ ÿ ÿ ÿ ÿ paperHeight = 11.7; ÿ ÿ ÿ ÿ } ÿ ÿ ÿ ÿ paper.setSize(paperWidth * 72.0, paperHeight * 72.0); ÿ ÿ ÿ ÿ paper.setImageableArea(-2000, 0, paper.getWidth(), paper.getHeight()); ÿ ÿ ÿ ÿ pageFormat.setPaper(paper); ÿ ÿ ÿ ÿ PrinterJob job = PrinterJob.getPrinterJob();ÿ job.setPageable(new PDFPageable(document));ÿ ÿ ÿ ÿ ÿ Book book = new Book();ÿ book.append(new PDFPrintable(document), getPageFormat(receiptType) , document.getNumberOfPages());ÿ job.setPageable(book);ÿ job.print(); Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ - To: [email protected] cc: [email protected] Subject: Re: Speedup Font Cache: Performance Issue in PDFBox 2.0.0-RC1 Dear PDFBox Community Adding Commits, John and Tilman in the mail request Details are in below mail. In brief again In our system, PDF files generated in server and is sent to client and in client applet code uses PDFBox to print. With PDFBox 1.8.10, we have alignment issue as some characters were missing on left side. With PDFBox 2.0.0-RC1, we have faced performance issue ( slow ) Do we have fix or patch availableÿ either in 2.0.0-RC1 for performance ÿOR alignment issue in 1.8.10 Our PDF documents uses True Type Fonts, mostly Ariel Unicode Thanks a lot for your help and support. Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Website: http://www.tcs.com ____________________________________________ Experience certainty. IT Services Business Solutions Consulting ____________________________________________ -----Sridhar So/BLR/TCS wrote: ----- To: [email protected] From: Sridhar So/BLR/TCS Date: 11/12/2015 06:23PM Subject: Speedup Font Cache: Performance Issue in PDFBox 2.0.0-RC1 Dear PDFBox Developers/Contributors I am unable to subscribe to users mailing list as the link tries to open Outlook not the page to subscribe, hence a seperate mail on similar/same issue discussed. Issue: -------ÿ PDFBox2.0.0-RC1 is very slow in printinng ( taking 35 to 50 seconds ) ÿas it tries to load fonts each time with the following message WARNING: New fonts found, font cache will be re-built Nov 12, 2015 3:17:26 PM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider <init> WARNING: Building font cache, this may take a while Nov 12, 2015 3:17:32 PM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider saveCache WARNING: Finished building font cache, found 522 fonts Is the fix or patch available to avoid slow performance due to above ( rebuilding font cache ÿevery tme ) ?ÿ If the fix not available in 2.0.0-RC1,ÿIs there any way to fix alignment issue in PDFBox 1.8.10? as 1.8.10 left margin is too low and first few characters are found cut in printout. With PDFBox1.8.10, there is no performance issue, but alignment in prontout is not proper. ÿÿ With PDFBox 2.0.0-RC1, we are facing performance issue. PDFDocument used has Ariel ÿUnicode or True Type Fonts.ÿ Similar discussion thread is pasted below, as I was unable to reply to same discussion thread, nor able to subscribe to users mailing list, hence a seperate mail. Regards Sridhar Subject: Re: Speedup Font Cache From: John Hewson ([email protected]) Date: Oct 21, 2015 5:26:41 pm List: org.apache.pdfbox.users On 21 Oct 2015, at 09:43, Maruan Sahyoun <[email protected]> wrote: Hi, Am 21.10.2015 um 18:40 schrieb Tilman Hausherr <[email protected]>: Am 21.10.2015 um 14:10 schrieb Roberto Nibali: Hi John On Wed, Oct 21, 2015 at 12:35 AM, John Hewson <[email protected]> wrote: Yes, I’m able to replicate that issue on Windows. It’s apparently related to administrator ownership of that registry key’s parent node. Looks like it’ll be necessary to log in as admin and create that key with user access. I guess that’s far from ideal? The whole issue also happens on MacOSX. When you introduce this on-disk cache a couple of months back, it worked fine, however one of the recent changes to SVN must have wrecked the initially intended functionality. Not only is the font caching setup 5-10 times as long as it used to be, it also does not seem to persist it anymore. Version used: $ svn info | grep -i changed Last Changed Author: tilman Last Changed Rev: 1709647 Last Changed Date: 2015-10-20 19:04:02 +0200 (Tue, 20 Oct 2015) Running my test tool indicates: Oct 21, 2015 2:08:29 PM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider loadCache WARNING: New fonts found, font cache will be re-built Oct 21, 2015 2:08:29 PM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider <init> WARNING: Building font cache, this may take a while Oct 21, 2015 2:08:39 PM org.apache.pdfbox.pdmodel.font.FileSystemFontProvider saveCache WARNING: Finished building font cache, found 654 fonts [INFO, ctx=./ccalt.pdf]: Opening Source ./ccalt.pdf [INFO, ctx=./ccalt.pdf]: Opening Template ./cctemp.pdf [INFO, ctx=./ccalt.pdf]: Writing Output ./ccmig.pdf [INFO, ctx=./ccalt.pdf]: Completed in 15037.02ms This used to be anything between 1200ms and 2300ms and once it was persisted onto disk, it was rather fast in subsequent calls. Unfortunately, SVN does not provide the handy tool of "git bisect" to quickly find out which change actually caused this regression. There were only 4 changes since then, so it might be worth a try to just revert that file. (I can't help; for me, it has always been slow.) Could it be that 1) you installed new stuff on your computer, 2) that MacOS has many of its fonts in .ttc files? In Windows there are only 10. on my OS X I have 92 ttc files (out of 384) :-) Yep, OS X uses ttc much more heavily than Windows and some of those are big Asian fonts which PDFBox parses relatively slowly. — John BR Maruan Tilman Let me know if you need any further input. Cheers Roberto Regards Sridhar Sowmiyanarayanan Tata Consultancy Services Website:ÿhttp://www.tcs.com ____________________________________________ Experience certainty. 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