[Foundation-l] Data retention

[Anthony]

On Wed, Sep 17, 2008 at 12:36 PM, Thomas Dalton <thomas.dalton at gmail.com>wrote:

> > So there is a one percent chance of initiating a checkuser data purge,
> > and a 0.99 chance that all data will remain intact for the time being.
> > This 99% may seem high, but it becomes negligible over a month. I
> > don't know what the exact odds is as I cannot find a calculator that
> > gives me a non-zero result for "0.99 ^ (6.5 million)" [4].
>
> 0.99^6500000=5.819478586x10^-28372
>
> To put that in perspective, if we'd done this every month since the
> universe began (about 14 billion years ago), the probability of there
> being at least one month in which it didn't get purged would be...
> hmmm... "0". So much for Maple...
>

I thought the checkuser data was moved out of the recentchanges table.