"Paul Laughlin" <plaughlin(at)gmail(dot)com> writes:
> warehouse=# select count(distinct chunk_id) from
> pg_toast.pg_toast_635216540;
> count
> -------
> 74557
> (1 row)
> We're on version 8.0.7
Well, 8.0 is definitely at risk for OID collisions in a toast table,
but with so few entries I'd have thought the probability pretty low.
How often do you see these errors?
regards, tom lane