This PDF is intended as a companion to the podcast series, originally transmitted on So . the cat hits the mouse with a big CLANG . Try both and test it out. agencies, testing laboratories, consumer associations and academia bodies from countries large and small, industrialized, developing and in. Update: if you want really large (and valid!), non-optimized PDFs, use this command: pdftk $(for i in $(seq 1 ); do echo -n "ruthenpress.info "; done) cat output.
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Page Linked Adobe Page No. is a big part of what brought me to Mozilla a few years how we test, how we measure ability and .. can find all the books as HTML PDFs. Most platforms have a printer driver that can create pdf files, I would use this as a source rather than random pdfs from the internet. PDFs can.
Unfortunately files I'm dealing with where produced by merging multiple documents and page tree is well balanced inside so advantage to above changes was pretty small.
My next bet is that some PS interpreter structure dictionary or stack is too large and access to it becomes pretty slow but I don't have a clue how to profile it yet. I have observed that slowdown is greater for documents with more pdf objects inside. My previous 65K test file has pdf objects inside.
But on another test file with "only" 33K pages real data, no images slowdown is greater it has pdf objects inside. Slowest part are pages from about to about 3 min per pages, where it was 15 sec at the begining then GS speeds up little bit but it's is still slower than at the beginning.
So I'm not sure how could I collect some more detailed profiling data.
Is there any way to measure execution time for PS procedures for example I would like to check resolveR execution times? Or maybe someone can point me to another direction? All test were performed on Windows environment with 32 bit GS.
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If this question can be reworded to fit the rules in the help center , please edit the question. Most platforms have a printer driver that can create pdf files , I would use this as a source rather than random pdfs from the internet.
PDFs can contain lots of nasty things that shouldn't be in a test environment unless you are specifically testing that you can handle them.
Home Questions Tags Users Unanswered. So I've changed them to local pathes and it solved the problem. I'm using this with wicked-pdf and it uses local paths for the header and footer but I was still bumping up against the limits until I increased them. But I was directly testing in linux-shell, to be sure that it's not a snappy problem.
I was trying to generate pages PDF. After switching header and footer to local pathes, I was even able to generate PDFs with pages. I was hitting those limits when I was generating PDFs with s of pages long. The local vs remote paths is a valid one, even for images used inside of your header and footer. I originally had a remote image in my header and it severely limited how many pages I could generate.
I switched that to a local image and it allowed me to generate a lot more. I'm coming back here two years later. We've hit some pretty big scale at our company so our servers have increased in size, including moving to bare-metal servers at http: I think the size of the server plays a huge role in what these limits have to be so re-visit these limits whenever changing infrastructure.
Our servers are 32 GB, 8 core 16 thread Xeons. At times, we generate PDFs with thousands of pages and increasing the max open file descriptors is no longer an option buffers start to overflow. Reasonable number of open file pointers get created, until such time the process starts to build the PDF outcome into. Then, a whole slew of file existence checks for the header file.
Presumably, one check per page of the PDF being generated. Skip to content. Dismiss Join GitHub today GitHub is home to over 31 million developers working together to host and review code, manage projects, and build software together.
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Copy link Quote reply. This comment has been minimized. Sign in to view. I think I'll leave it at that. Apparently the problem only exists on Linux. I'm using MS Server R2 wkhtmltopdf 0.
Hi, I had also got the same error of too many files open in case of large PDFs with header and footer. Thanks, Fenil.
Fenilp, I combine the html files before converting to pdf.