[AFS3-std] Re: first draft: ubik update proposal

[Jeffrey Hutzelman]

--On Tuesday, February 15, 2011 01:44:14 PM -0600 Andrew Deason 
<adeason@sinenomine.net> wrote:

> We don't "need" them, but the extra 4 bytes don't seem like a big
> problem. We know 32-bit counters do rollover at some sites.

We do?  If that's the case, then 64-bit counters are a no-brainer.

> an epoch/counter combination should ideally represent a unique
> version of the database or a unique transaction, shouldn't it?

yes