[DOC] Re: java OutOfMemory building documentation

[Jeremy Huddleston]

Also of note... My G5 took an hour and a half just to 'make install'  
with these changes.  It looks like it's redoing some things in 'make  
install' that it already did in 'make':

http://tinderbox.x.org/builds/2010-09-30-0022/

On Sep 29, 2010, at 09:31, Alan Coopersmith wrote:

> Matt Dew wrote:
>> On Wed, Sep 29, 2010 at 9:41 AM, Younes Manton <younes.m at gmail.com>  
>> wrote:
>>> On Wed, Sep 29, 2010 at 2:25 AM, Jeremy Huddleston <jeremyhu at apple.com 
>>> > wrote:
>>>> This change seems to be causing documentation to fail building on  
>>>> yuffie due
>>>> to java running out of memory…
>>>> http://tinderbox.x.org/builds/2010-09-22-0004/logs/libX11/#build
>>>> I seem to recall other "OutOfMemory" errors being reported wrt  
>>>> documentation
>>>> earlier, but I don't recall any resolution.  Looking at fop, it  
>>>> looks like
>>>> we can setup a FOP_OPTS environment variable with an appropriate - 
>>>> Xmx
>>>> argument to be passed along to java.  I just tested this on  
>>>> yuffie by adding
>>>> the following to my tinderbox script, and it resolved my build  
>>>> failure:
>>>> export FOP_OPTS="-Xmx2048m"
>>>> Obviously setting the max VM size as 2G universally isn't the  
>>>> best solution.
>>>> I also don't expect everyone to know about FOPS_OPTS either, so  
>>>> what is the
>>>> best way to resolve this across modules?
>>> It's not a terrible solution, it's not like you'll actually be using
>>> 2G on any halfway sane jvm except when you need it, it's just an  
>>> upper
>>> bound.
>>
>> FWIW,
>> libX11 is the largest document and I found that using
>> export FOP_OPTS="-Xmx512m" was sufficient.
>
> The new documents I autogenerate from the Compose data files have  
> some very
> large tables in, most especially the en_US.UTF-8 compose key list -  
> I'd set them
> to split into new tables after 750 lines since that solved the java
> out-of-memory issues in my environment, but it appears not to solve  
> it for
> everyone - the script can be adjusted to split at a different  
> threshold if
> that's easier than trying to find a way to set FOP_OPTS in the  
> Makefile.am's.
>
> -- 
> 	-Alan Coopersmith-        alan.coopersmith at oracle.com
> 	 Oracle Solaris Platform Engineering: X Window System
>
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