On Wed, Sep 19, 2012 at 7:02 AM, Jon Robson <[email protected]> wrote:
> Is there a bug open for this yet? If not there probably should be... > (apologies if there is.. scanning through I cannot see one) > > In terms of supporting non-standard files - there is no reason why to get > an obscure size e.g. 224px you could get for example the 240px image and > resize it with css... > > 1) That adds an unnecessary extra step to reuse images. 2) Not every reuse case involves CSS. 3) Although it's not that super complicated to do in CSS, not every reuser knows CSS. 4) Some browsers do a poor job at rescaling images, although other browsers have improved in this area. If anything, I think in the download button / dialog in Commons, we should have an option to allow user to choose image of any size to download, in addition to the preset choices. :) The thumbnails can be temporary I suppose, and hope no one uses them to hotlink. (my humble opinion!) Cheers, Katie > On Tue, Sep 18, 2012 at 7:01 PM, aude <[email protected]> wrote: > > > On Wed, Sep 5, 2012 at 6:40 PM, Jon Robson <[email protected]> wrote: > > > > > I just wanted to clarify something... is there any protection in place > in > > > the thumbnail generator to prevent denial of service attacks? For > > instance > > > if someone wanted to they could run a script which uploaded photos then > > > fired off requests for thumbnails of it of size 20px,21px,22px...1024px > > > > > > I'm guessing the servers wouldn't like that. This is why I'd be keen to > > > limit the sizes. > > > > > > > The ability to request an image of whatever size I need is one of my most > > favorite MediaWiki features. It's very nice to save the extra step of > > resizing it after downloading it. It makes Commons images all the more > > easily reusable. > > > > It's quite nice to also be able to have thumbnails of whatever size you > > want on Wikipedia, overriding the typical size settings. > > > > I'd be fine if we can throttle such requests to prevent DOS and maybe > other > > technical measures to make the feature less abused. But would be sad to > see > > it eliminated. > > > > While it's also nice to hotlink to the images (or via InstantCommons), > some > > expiry on thumbnails might be acceptable. > > > > Cheers, > > Katie > > > > > > > > > > > > May I suggest someone analyses the sizes currently used on wikipedia > and > > we > > > limit to those as an initial step and then review the less frequently > > used > > > ones and standardise on some sizes? > > > On Sep 5, 2012 9:15 AM, "Roan Kattouw" <[email protected]> wrote: > > > > > > > On Sun, Sep 2, 2012 at 5:59 PM, Tim Starling < > [email protected]> > > > > wrote: > > > > > The other reason for the existence of the backend thumbnail store > is > > > > > to transport images from the thumbnail scalers to the 404 handler. > > For > > > > > that purpose, the image only needs to exist in the backend for a > few > > > > > seconds. It could be replaced by a better 404 handler, that sends > > > > > thumbnails directly by HTTP. Maybe the Swift one does that already. > > > > > > > > > My understanding is that thumb.php already streamed the thumbnail > back > > > > to the 404 handler via HTTP and has done so for at least the past two > > > > years or so. > > > > > > > > Roan > > > > > > > > _______________________________________________ > > > > Wikitech-l mailing list > > > > [email protected] > > > > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > > > > > > > _______________________________________________ > > > Wikitech-l mailing list > > > [email protected] > > > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > > > > > > > > > > > -- > > Board member, Wikimedia District of Columbia > > http://wikimediadc.org > > @wikimediadc / @wikimania2012 > > _______________________________________________ > > Wikitech-l mailing list > > [email protected] > > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > > > > > > -- > Jon Robson > http://jonrobson.me.uk > @rakugojon > _______________________________________________ > Wikitech-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikitech-l > -- Board member, Wikimedia District of Columbia http://wikimediadc.org @wikimediadc / @wikimania2012 _______________________________________________ Wikitech-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/wikitech-l
