Re: smolt stale profiles

[Rahul Sundaram <sundaram@xxxxxxxxxxxxxxxxx>]

Mike McGrath wrote:
> Mike C wrote:
> > Mike McGrath <mmcgrath <at> redhat.com> writes:
> >
> >
> >  
> > > http://smolt.fedoraproject.org/delete?UUID=YOURUUID   Unfortunately 
> > > we can't use the hardware UUID of your system for privacy issues, so 
> > > whenever a fresh install happens, the old profile will remain.
> > >     
> >
> > Thanks Mike - that is what I was afraid you might say - if the 
> > majority of people
> > do not bother to remove old profiles after installing new versions of 
> > Fedora then
> > over a period more and more old, but no longer relevant, profiles will 
> > build up
> > and therefore the statistics will contain a smaller and smaller 
> > fraction of live machines in its database.  It is therefore important 
> > to remove such old
> > profiles in order to keep the statistics synced to real machines?
> >
> >   
>
> We also track when the last checkin was.  Those enabling smolt's checkin 
> (which happens automatically when you install via anaconda and send your 
> profile) will keep a fresh profile.  This will allow us to say "only 
> select profiles that checked in in the last 8 months) which would ignore 
> older stale profiles.  Its the best we can do without causing privacy 
> issues.

Is a one way hardware hash really a big privacy concern? After all smolt 
is purely optional. One way hash would improve the accuracy of the stats 
nicely.

Rahul