Andy Black wrote:
> 
> We've just learned that a large (540KB) XML file for one of our custom 
> configurations loads very slowly in version 4.1.0.  In version 3.8.1 it 
> takes about 12 seconds, but in 4.1.0 it takes about 5 minutes and 20 
> seconds.  We are using the Personal Edition in both cases.
> 
> Is this a known problem?  (I tried looking for something on this in the 
> archives for this list, but did not find anything.)
> 
> 12 seconds to load is fine, but over 5 minutes is a bit daunting.  Are 
> there plans to address this?
> 

I don't see how, in the general case, this could happen due to a bug or
design flaw in XXE v4+.

Example:

On my laptop, a DocBook 4 2.2MB document loads in 22s with XXE v4.1 and
in 21s with XXE v3.8.1 (first time, DTD/Schema cache cleared). The
second time, it takes 12s with XXE v4.1 and  15s with XXE v3.8.1.

Therefore:

* This problem may be related to your working environment. For example,
your XML catalog could be broken (this is possibly not detected by XXE
v3.8.1 because the DTD/Schema has been cached by your old copy).

* OR This problem may be related to your document (images, XIncludes,
references to external entities, DTD/Schema, etc). In the latter case,
do not hesitate to send us this document (please also include the whole
configuration) and will fix the problem in next version.


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