[Thunar-dev] Recent document support

[Erlend Davidson]

I think metatracker is another implementation of tagging?  It apparently 
has no problem with scalability.
http://freedesktop.org/wiki/Software/Tracker

Here's an discussion on tagged filesystems in linux:
http://digg.com/linux_unix/WinFS-like_Storage_for_Linux

and GLScube:
http://www.glscube.org/

Benedikt Meurer wrote:
> Erlend Davidson wrote:
>   
>>> PS: I've also an 5-month old patch to add leaftag support, which I could
>>> update to the latest Thunar version with some effort, if there's
>>> interest (would add a 'tag:' filesystem with the list of current tags,
>>> and a list of files for each tag). The idea was to replace the
>>> emblem-mechanism with tags (tags have an associated image). In general I
>>> think this would be very useful, but unfortunately leaftag doesn't scale
>>> very well (as mentioned before) and it seems that leaftag is mostly dead
>>> (nearly no SVN activity).
>>>       
>> Would the Leaftag functionality be a plugin, so that the slow-down is 
>> optional?  Looking at the Leaftag blog 
>> (http://www.chipx86.com/blog/tag/leaftag) the developer mentions (in 
>> Feburary) lack of time and moving Leaftag to a dedicated server - AFAIK 
>> it hasn't happened yet.
>>     
>
> As botsie said, a relational database is probably not the way to address
> this problem, or atleast SQLite 2.x is not. It works fine as long as the
> number of tags and sources is below 500 or so, but even then, because
> the sources have to be matched by their URIs, the folder loading will be
> slower when locating the emblems for each file.
>
> Storing the tags in extended attributes would solve this issue with
> modern file systems (note that not all file systems offer fast extattr
> access), but it does not allow to query the files by tag.
>
>   
>> The slow-down with scaling is a real pity - a tagging filesystem would 
>> be excellent for linux.
>>     
>
> Well, not only for Linux...
>
> Benedikt
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