On 2015-08-19 10:49:46 +0200, Magnus Hagander wrote:
> What happens "the first time"? Meaning I'm on wal_level=minimal and take a
> base backup. Then when the replica first connects 10 minutes later, it
> needs WAL back in time, which was logged at wal_level=minimal.
> So you'd need to bump it up whenever a base backup is done -- but then you
> can't drop it back down again or your base backup will be useless.
> Or am I missing something?
Nope. Requiring pg_basebackup to automatically create such a
'non-reserving' slot doesn't seem to be too bad to me.
Greetings,
Andres Freund