If you use the temporary file memory storage, it should be possible to work with very large files.
https://stackoverflow.com/questions/11301818/pdfbox-working-with-very-large-pdfs/38859566 This isn't streaming (pdf is not really amenable to streaming like you are asking), but the disk based scratch memory should get you what you need. On Fri, Jan 7, 2022, 12:18 AM Tilman Hausherr <thaush...@t-online.de> wrote: > Am 06.01.2022 um 18:26 schrieb John Lussmyer: > > I have a need to merge a couple thousand PDF's into one humongous PDF. > > The old tool we use for PDF manipulation runs out of memory as it builds > the result PDF in memory, and only writes it out when done. > > > > Can PDFBox do something more like streaming the output as it's built? > or even not load all the source pdf content streams until needed for output? > > > No + Yes, so you'll also run out of memory at some time. > > If the huge job is for printing, then remove the structure tree from > each file, which is obviously not needed (it is for screen readers). You > should save somewhere and reload so that these are no longer in memory. > > Tilman > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@pdfbox.apache.org > For additional commands, e-mail: users-h...@pdfbox.apache.org > >
