Re: standby registration (was: is sync rep stalled?)

Simon Riggs <simon@2ndQuadrant.com> wrote:
> Robert Haas wrote:
>> Simon Riggs <simon@2ndquadrant.com> wrote:
>>> Josh Berkus wrote:
>>>>>>> Quorum commit, even with configurable vote weights, can't
>>>>>>> handle a requirement that a particular commit be replicated
>>>>>>> to (A || B) && (C || D).
>>>>>> Good point.
>>>
>>> Asking for quorum_commit = 3 would cover that requirement.
>>>
>>> Not exactly as requested,
>> That's just not the same thing.
> 
> In what important ways does it differ?
When you have one server functioning at each site you'll block until
you get a third machine back, rather than replicating to both sites
and remaining functional.
-Kevin