On 8/20/15 3:50 PM, Andres Freund wrote:
>> But, under any scheme to set wal_level automatically, how will the
>> primary know whether it needs to use level archive or hot_standby?
>
> I'd have said archive_mode triggered archive and everything else
> hot_standby.
That might be a decent heuristic, but it's not correct if there is no
way to override it. People are using archive-only replication with hot
standby (for delayed replication, for example).