On 16.03.2006 00:17:28 Paul Tremblay wrote:
> On Wed, Mar 15, 2006 at 09:22:36AM +0100, Jeremias Maerki wrote:
> > 
> > It's always difficult to estimate if there will be a problem. Trying it
> > out will help a lot. :-) Anyway, given that the latest code hasn't
> > received much attention on memory consumption, yet, there's a good
> > chance that your document might not work. Having a lot of RAM (and an
> > increased VM size) helps a lot which you obviously don't really have.
> > The images are probably less of a problem than the forward references.
> > FOP has a special area tree model which can serialize pages to disk but
> > I've only fixed it, not done any extensive tests with it. It also needs
> > Java knowledge to activate it. In the end, if your TeX solution works,
> > use it. There's a good chance that you run into the problems you noted
> > below with bigger documents and the latest FOP release.
> > 
> > 
> 
> Sorry to sound ignorant, but what do you mean by "VM size" and "Java
> knowledge?" 

"VM size": The Java VM provides only 64MB of RAM to the application by
default even if you have more RAM available. The "-Xmx" option for the
Java VM can be used to increase the maximum available memory:
http://xmlgraphics.apache.org/fop/latest/running.html#memory

"Java knowledge" means you need Java programming skills to activate the
special component that can temporarily off-load pages to disk. It is not
yet properly intergrated in FOP and tested so everyone can use it.

> I may convert the document anyway if I have time and then report back
> here and let you know. In the future, do you envision FOP being able
> to handle longer documents?

Sure, as soon as people start actively improving FOP in this direction.
My own focus is on business documents where memory consumption is less
of a problem.


Jeremias Maerki


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