On 12/12/17 6:33 PM, Andres Freund wrote:
>
> 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 ....
Fair enough. I'll think on it.
--
-David
david@pgmasters.net