Ariel T. Glenn wrote:
> So it's time to have this discussion again.  At least, I think we're
> having it again, though I could not find previous threads on this list
> about the subject.
> 
> In short, scaled media is currently generated on the fly for any size
> and for any user.  The resulting files are kept around forever or until
> we run perilously short of space, at which point we make some guesses
> about what we can toss and then do a mass purge. Last time we did so, we
> had the rotation bug going at the same time, which made for a real fine
> mess.
> 
> A little bit of crunching shows me that we have about 6 million images
> in use on the projects, and yet we manage to have around 130 million
> thumbnails.  Just for fun I checked to see how many thumbs each image
> has, what sizes we are looking at, etc.  Here's the results.

Only really tangentially related, but I remember thinking when reading this
thread: are there any pages (on wikitech.wikimedia.org or elsewhere) that
document Wikimedia's current media infrastructure? It's always been a bit of
a mystery to me.

MZMcBride



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