On Wed, Jan 4, 2017 at 3:43 PM, Peter Eisentraut < peter.eisentr...@2ndquadrant.com> wrote:
> On 12/31/16 10:00 AM, Magnus Hagander wrote: > > max_wal_senders=10 > > max_replication_slots=20 > > How about we default max_replication_slots to -1, which means to use the > same value as max_wal_senders? > > I think this would address the needs of 99% of users. If we do like you > suggest, there are going to be very many users who forget to adjust > these two values together, and very many who will do it but will be > puzzled and annoyed by it. Since we're now pushing the use of > replication slots even more (your pg_basebackup change, upcoming logical > replication), I think this could be a major source of misconfigurations. > But you don't necessarily want to adjust them together, do you? They are both capped by max_connections, but I don't think they have any other direct relation between each other? -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/