Why don't you just invalidate A when you update B instead? That would save you a lot of operations having to check B every time you fetch A?
/Henrik On Fri, Sep 11, 2009 at 18:10, Ren <[email protected]> wrote: > > Hi, > > If A depends B would it be safe to embedded B's CAS token into A's > value, > then when A is retrieved see if B's CAS differs to the one stored > within A, and therefore invalidating A? > > Jared
