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Is there a limit on the number of categories?

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Al Johnson

30 Nov 2012 30 Nov '12

11:36 p.m.

I'm thinking of an implementation that may have 100 thousand categories. Is that possible? Is there a documented limit? Would there be a performance hit? Thanks, Al

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John

1 Dec 1 Dec

1:31 a.m.

I just did a quick check of en.wikipedia.org and there are 935,355 categories that exist, there are even more that are being used but dont have pages that have been created yet. So hundreds of thousands isnt really an issue when you consider there is almost a million on one of the 10 biggest websites. John On Fri, Nov 30, 2012 at 6:36 PM, Al Johnson <alj62888(a)yahoo.com> wrote:

I'm thinking of an implementation that may have 100 thousand categories. Is that possible? Is there a documented limit? Would there be a performance hit? Thanks, Al _______________________________________________ MediaWiki-l mailing list MediaWiki-l(a)lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l

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Haim (Howard) Roman

4 Dec 4 Dec

7:50 a.m.

Not sure what this will do to your computers' resources. I'm assuming that Wikipedia has a bit more horsepower than you. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Haim (Howard) Roman Computer Center, Jerusalem College of Technology Phone: 052-8-592-599 (6022 from within Machon Lev) On Sat, Dec 1, 2012 at 3:31 AM, John <phoenixoverride(a)gmail.com> wrote:

I just did a quick check of en.wikipedia.org and there are 935,355 categories that exist, there are even more that are being used but dont have pages that have been created yet. So hundreds of thousands isnt really an issue when you consider there is almost a million on one of the 10 biggest websites. John On Fri, Nov 30, 2012 at 6:36 PM, Al Johnson <alj62888(a)yahoo.com> wrote:

I'm thinking of an implementation that may have 100 thousand categories.

Is that possible? Is there a documented limit? Would there be a performance hit?

Thanks, Al _______________________________________________ MediaWiki-l mailing list MediaWiki-l(a)lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l

_______________________________________________ MediaWiki-l mailing list MediaWiki-l(a)lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l

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Platonides

3 Dec 3 Dec

10:51 p.m.

On 01/12/12 00:36, Al Johnson wrote:

I'm thinking of an implementation that may have 100 thousand categories. Is that possible? Is there a documented limit? Would there be a performance hit? Thanks, Al

No, you can have an arbitrarily large number of categories. I hope you won't try to add all of them at once to a single article, though :)

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Al Johnson

4 Dec 4 Dec

1:31 a.m.

Oh no ;) Each page will only have a few. I may have a setup where each page is not an article, per se, but host some data along with some free-form text. I just need a way to organize them by topic and using the Category functionality seemed the easiest way. But, I have no experience working with MW at all so I don't know if that's the best way. I don't see any other kind of organizing functionality. ________________________________ From: Platonides <Platonides(a)gmail.com> To: mediawiki-l(a)lists.wikimedia.org Sent: Monday, December 3, 2012 3:51 PM Subject: Re: [MediaWiki-l] Is there a limit on the number of categories? On 01/12/12 00:36, Al Johnson wrote:

I'm thinking of an implementation that may have 100 thousand categories. Is that possible? Is there a documented limit? Would there be a performance hit? Thanks, Al

No, you can have an arbitrarily large number of categories. I hope you won't try to add all of them at once to a single article, though :) _______________________________________________ MediaWiki-l mailing list MediaWiki-l(a)lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l

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Leonard Wallentin

7:18 a.m.

Without knowing exactly what you are trying to achieve here, it sound from your descriptions like you might find the Semantic MediaWiki family of extensions useful. It lets you store pieces of data together with a page, and you have far better ways to display this data in arbitrary ways, or making lists of articles based on such data, than by just hacking around with categories. http://semantic-mediawiki.org/ /Leo _______________Leonard Wallentinleo_wallentin@hotmail.com@leo_wallentin+46 (0) 735 - 933 543

Date: Mon, 3 Dec 2012 17:31:17 -0800 From: alj62888(a)yahoo.com To: mediawiki-l(a)lists.wikimedia.org Subject: Re: [MediaWiki-l] Is there a limit on the number of categories? Oh no ;) Each page will only have a few. I may have a setup where each page is not an article, per se, but host some data along with some free-form text. I just need a way to organize them by topic and using the Category functionality seemed the easiest way. But, I have no experience working with MW at all so I don't know if that's the best way. I don't see any other kind of organizing functionality. ________________________________ From: Platonides <Platonides(a)gmail.com> To: mediawiki-l(a)lists.wikimedia.org Sent: Monday, December 3, 2012 3:51 PM Subject: Re: [MediaWiki-l] Is there a limit on the number of categories? On 01/12/12 00:36, Al Johnson wrote:

I'm thinking of an implementation that may have 100 thousand categories. Is that possible? Is there a documented limit? Would there be a performance hit? Thanks, Al

No, you can have an arbitrarily large number of categories. I hope you won't try to add all of them at once to a single article, though :) _______________________________________________ MediaWiki-l mailing list MediaWiki-l(a)lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l _______________________________________________ MediaWiki-l mailing list MediaWiki-l(a)lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/mediawiki-l

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Al Johnson
Haim (Howard) Roman
John
Leonard Wallentin
Platonides