Cavallini David wrote:
I got the same problem with FOP 0.20.5: I could not render documents with
more than about 150/200 pages with 1 TIFF per page (OutOfMemory). I tried to
remove the image cache management in FOP source code but it didn't help.
Check whether it's actually the TIFF images causing the problem (remove
them temporarily), or other stuff like big tables.
One problem with bitmap images in general is that they are referenced
multiple times during rendering, once in the image chache and also in
the PDF lib for building the object dictionary. Therefore, removing
image caching has basically no positive effect (but it can be have the
negative effect if an image is used more than once). The only option
is to reduce the memory consumption by using another image format and
less resolution.
Another potential cause for problems is that the PDF output is often
held in memory in server environments, because many IEx versions need
the PDF size for proper processing. Especially hi-res multi-megabyte
TIFF files are blow up the PDF size.
My target would be 4000 pages documents but it does not seem possible by
> now with FOP.
I've rendered 3000 page PDF successfully. But then: no images, no tables,
no problems.
J.Pietschmann
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