Hi, On 2017-12-12 18:30:47 -0500, David Steele wrote: > > If we had a way to prevent relfilenode reuse across multiple checkpoints > > this'd be easier, although ALTER TABLE SET UNLOGGED still'd complicate. > > Or error the backup if there is wraparound?
That seems entirely unacceptable to me. On a machine with lots of toasting etc going on an oid wraparound doesn't take a long time. We've only one oid counter for all tables, and relfilenodes are inferred from that .... Greetings, Andres Freund
