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/

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