On Wed, Jun 20, 2012 at 3:27 PM, Andres Freund <andres@2ndquadrant.com> wrote:
>> OK, so in this case, I still don't see how the "origin_id" is even enough.
>>
>> C applies the change originally from A (routed through B, because it's
>> faster). But when it get's the change directly from A, how does it
>> know to *not* apply it again?
> The lsn of the change.
So why isn't the LSN good enough for when C propagates the change back to A?
Why does A need more information than C?
a.
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