[Mediawiki-l] Image folders

[Patrick Hendricks]

Is this a problem anymore with Ext3 using dir_index?  Or is this a different
kind of performance issue?

On Mon, Apr 18, 2011 at 9:37 AM, Daniel Friesen
<lists at nadir-seen-fire.com>wrote:

> On 11-04-18 09:23 AM, Juan Rodríguez wrote:
> > Hi folk,
> > I studing wikimedia system and there is something I want to know about
> > images:
> > Is it possible to upload (and so on store) the images in different
> folders?
> > I realised that when you do a normal upload, files are stored in folders
> > with *arbitrary?* name like: "A", "01", etc. Does anybody know what
> > programming mechanism is used to allow this? Could it be used to upload
> > files to different folders?
> > Thanks.
> That's the $wgHashedUploadDirectory setting (on by default) which is
> used to avoid having too many files in one folder because some
> filesystems don't perform well with large numbers of files in one folder.
>
> The algorithm for that is based on a md5 of the name, the first hex
> character is used for the first directory, then the first two characters
> are used for the subdirectory.
> Foo.png -> md5 = f865cbca12286c1c5b7616b4a70fbf68 -> f + f8 = /f/f8/Foo.png
>
> ~Daniel Friesen (Dantman, Nadir-Seen-Fire) [http://daniel.friesen.name]
>
>
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