You didn't address his idea one iota. Isn't this the relevant doc?
http://upload.wikimedia.org/wikipedia/commons/4/41/Mediawiki-database-schema.png

Maybe you could explain how the storage class renders his idea irrelevant?

On Mon, Apr 6, 2009 at 11:49 PM, Domas Mituzas <midom.li...@gmail.com>wrote:

> Hello Jidanni,
>
> Isn't this a bit redundant with your 'store-by-sha1' topic?
>
> > Currently undos, so frequent on wikis, just blindly create a
> > duplicate row
> > instead of checking if the old one could be reused,
>
> mediawiki-l
>
> Seriously, if you think that wikimedia operations is bunch of cretins
> where your simplistic observations are so much needed, you should try
> other paths of influencing, like stage a rebellion or something :-)
>
> If you actually paid attention to the actual mediawiki capabilities
> (like, all the code in
> http://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/maintenance/storage/
>  ) or any of our site docs, you'd realize that we have the code and
> methods to facilitate much more efficient compression than one you are
> aiming at, way higher scalability, etc
>
> > Maybe some hardware
> > savings could even be achieved.
>
>
> You know that for a while we had virtually no hardware dedicated/
> needed for  text storage? We were using free disks that came with
> application servers. If you ever paid attention to how Wikipedia runs,
> you'd know that. Now that you don't, you end up being slightly too
> paternal.
>
> Actually, we're discontinuing the 'hundreds of storage nodes' practice
> and will consolidate them back together (mostly for easier-to-manage
> reasons, but that may lead to way higher availability, etc) - but that
> already takes care of more than just entirely-same text, and still,
> even 1/7 wouldn't matter much, as hardware for that increments in
> multiple terabytes (and no, isn't insanely priced).
>
> Cheers,
> --
> Domas Mituzas -- http://dammit.lt/ -- [[user:midom]]
>
>
>
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