[Wikimedia-l] Thanking anonymous users

[Matthew Flaschen]

On 01/13/2014 12:19 AM, Tim Starling wrote:
> On 13/01/14 15:35, Marc A. Pelletier wrote:
>> What you're discussing is an unnamed user account that's implicitly
>> created and lasts as long as the cookie does.  Those are going to pile
>> up *really* fast, especially from browsers that do not keep cookies for
>> any reason.
>
> Not as fast as revisions, and we seem to cope with those. On the
> English Wikipedia, there were only ~27k anonymous edits per day over
> the last month, so it would take 10 years to add 100M rows at that
> rate, and the revision table has ~550M rows and we still haven't
> bothered to shard it.

We shouldn't assume linear growth over a ten year period.  Nonetheless, 
the technical scalability problems are probably solvable.

Matt Flaschen