Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> What I have done quickly is to store a measure of the clock skew. We
> already calculated it but we didn't store it. Initial indications are
> that only a few have significant skew.
Oh, I didn't know that the server had the ability to measure that.
(Yes, I agree that there are just a couple with big skews at any
one time.)
> Still, if we simply added the skew to the snapshot time that might be
> enough to achieve what you want. That would be a one line change, I think.
+1
regards, tom lane