"Matthew T. O'Connor" <matthew@zeut.net> writes: > It is fairly easy to implement, however it has been discussed before and > decided that it wasn't necessary. What the system cares about is how > long it's been since the last vacuum in terms of XIDs not time.
I think Alvaro is intending to do the latter (store per-table vacuum xid
info) for 8.2.
regards, tom lane
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