On Wed, Aug 19, 2015 at 3:34 PM, Andres Freund <and...@anarazel.de> wrote:
> 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. > That's doable - but what about manual base backups? And if they don't go away, what about the ones that are generated by the nightly/weekly/hourly/whatever "pg_basebackup -x" ones? -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/
