Tom Lane wrote:
> "Markus Wollny" <Markus.Wollny@computec.de> writes:
>> I'd still like to find out what exactly happened here so I can
>> prevent the same from happening again in the future.
>
> Me too. It would seem that something did a vacuum of postgres with a
> strange choice of xid cutoff, but I can't think of what would cause
> that.
>
> Do you ever do VACUUM FREEZE on your databases?
No, I actually never heard of VACUUM FREEZE, I have to admit.
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