[ZWeb] ratings redux

[Kapil Thangavelu]

thats an interesting strategy, but to be honest,
writing a hit counter is not high up on my list of
priorities ;) maybe someone else is interested?

-kapil

--- Paul Everitt <paul@zope.com> wrote:
> 
> Shane and I discussed a few months ago a strategy
> that would make a hit 
> counter not so problematic.  It basically involved
> putting the writes 
> into a queue and having the data structure only
> written once every N 
> minutes.  If you design it well for ZEO, avoiding
> hot spots, etc., then 
> I think it can work.
> 
> If you could keep the writes down to under 50Kb of
> data a day or so, 
> most people could live with that.
> 
> --Paul
> 
> Kapil Thangavelu wrote:
> > --- Paul Everitt <paul@zope.com> wrote:
> > 
> > 
> >>How related is this implementation strategy to one
> >>for hit counters? 
> >>The username as the key obviously would help much
> >>less.
> >>
> > 
> > 
> > ugh.. i don't think i read this correctly the last
> > time, a hit counter in the zodb, is still a bad
> idea.
> > a download counter utilizing a btree length would
> be
> > more effective. a hit counter would be bad, mainly
> > because of size bloat in an undoable storage, and
> (i'm
> > less sure on this one) from triggering a write
> > transaction on page views which in zeo setting
> isn't a
> > good idea. my current understanding is that in
> zeo1.0,
> > only 1 transaction is allowed active at anyone
> time
> > among all the zeo clients.
> > 
> > kapil
> > 
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> 
> 


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