The problem I'm facing is that I have many large (several GB) tables that are
not being changed (they are several days old) but auto-vacuum keeps scanning
and updating them every time the xid wraps around and thus my rsync back-up
process sees that the disk files have changed and must copy them.
--
View this message in context: http://postgresql.nabble.com/Avoiding-Refreezing-XIDs-Repeatedly-tp5837222p5837251.html
Sent from the PostgreSQL - performance mailing list archive at Nabble.com.