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From Peter <p.kullm...@arenae.ch>
Subject Re: Drastic Performance Improvement by dropping xerces and xalan
Date Wed, 14 May 2014 08:38:00 GMT
Actually, we are using -xsl and -xml as input.


Glenn Adams-2 wrote
> Personally, I support removing all XSLT functions from FOP, but I'm afraid
> that would cause many users to find it less useful. I think it was a
> serious architectural error to combine those functions in the first place,
> but that horse left the gate long ago.
> 
> 
> On Tue, May 13, 2014 at 4:18 AM, Peter &lt;

> p.kullmann@

> &gt; wrote:
> 
>> We had some performance problems with fop and began to investigate. For a
>> specific example document of about 400 pages fop took about 55 seconds on
>> a
>> server at a client. The same process was much faster in our own setting
>> (taking about 11 seconds). What we found out is the following:
>>
>> - fop from the distribution (either 1.1 release or 1.2 snapshot) takes 55
>> seconds
>> - fop from the suse package takes only 11 seconds
>>
>> The two configurations differ in the jars: The suse config does not
>> include
>> xercesImpl, xalan and serializer
>>
>> We are running
>> java version "1.7.0_40"
>> OpenJDK Runtime Environment (IcedTea 2.4.1) (suse-8.18.1-x86_64)
>> OpenJDK 64-Bit Server VM (build 24.0-b50, mixed mode)
>>
>> So, removing these three libraries drastically improved performance for
>> us.
>>
>> Can someone explain why this is so? Can I safely drop these jars?
>>
>> Best regards
>> Peter
>>
>>
>>
>>
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