Hey,

Just a guess, but this might be caused by the changes Yaron made for allowing SIO to hook into the RDF export.

Cheers

--
Jeroen De Dauw
* http://blog.bn2vs.com
* http://wiki.bn2vs.com
Don't panic. Don't be evil. 50 72 6F 67 72 61 6D 6D 69 6E 67 20 34 20 6C 69 66 65!
--


On 27 June 2010 18:58, Laurent Alquier <laurent@alquier.org> wrote:
I turned off recursive export and backlink export at the end of my LocalSettings.php file and the RDF export remains just as big.

- Laurent

On Jun 27, 2010, at 9:34 AM, Markus Krötzsch wrote:

> On Sonntag, 27. Juni 2010, Laurent Alquier wrote:
>> I set my PHP timeout limit to a very high value and let the RDF export run
>> its course.
>>
>> The file was eventually generated, apparently without error.
>>
>> The RDF export contains what I expected to see - a list of properties for
>> that one page.
>>
>> It also contains things I did not expect in that file - every pages that
>> this page links to is also included in the file, along with their own
>> properties.
>>
>> Is that how the RDF export is supposed to be ?
>
> This behaviour should normally be configurable and be disabled by default.
> Maybe some change in SMW 1.5.1 affected the according setting or the place
> where it is taken into account. Maybe you can check if the settings at [1]
> need to be changed on your site.
>
> -- Markus
>
> [1] http://semantic-mediawiki.org/wiki/Help:Configuration#OWL.2FRDF_export
>
>
>>
>> On Jun 24, 2010, at 7:31 PM, Laurent Alquier wrote:
>>> Hi all
>>>
>>> Has anyone experienced poor performance on RDF exports since the upgrade
>>> to 1.5.1 ?
>>>
>>> Most of my pages flat out time out on the Special:ExportRDF page, even
>>> after bumping up PHP timeouts to 240 seconds.
>>>
>>> On pages that do come out (pages with only a handful of properties
>>> declared... as in less than 5) the RDF file seems to contain more details
>>> than I remember. In particular, I don't remember seeing that many details
>>> about pages linked to from the current page.
>>>
>>> Can someone familiar with the internals of the RDF export double check
>>> that things are ok ?
>>>
>>> I don't have a very high number of properties or properties values
>>> compared to some other SMW instances I know of. I didn't notice any slow
>>> down in SMW queries either, and Special:Browse is very responsive.
>>>
>>> The problem seems to be contained to ExportRDF so far.
>>
>
>
> --
> Markus Krötzsch  <markus@semantic-mediawiki.org>
> * Personal page: http://korrekt.org
> * Semantic MediaWiki: http://semantic-mediawiki.org
> * Semantic Web textbook: http://semantic-web-book.org
> --



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