On 1 June 2017 at 09:36, Andres Freund <and...@anarazel.de> wrote:
> On 2017-05-31 21:33:26 -0400, Stephen Frost wrote:
>> > This only starts becoming an issue once logical replication slots can
>> > exist on replicas and be maintained to follow the master's slot state.
>> > Which is incomplete in Pg10 (not exposed to users) but I plan to
>> > finish getting in for pg11, making this a possible issue to be
>> > addressed.
>> Fair enough.  I'm disappointed that we ended up with that as the
>> solution for PG10
> This has widely been debated, and it's not exactly new that development
> happens incrementally, so I don't have particularly much sympathy for
> that POV.

Yeah. Even if we'd had completed support for decoding on standby,
there's no way we could've implemented the required gymnastics for
getting logical replication to actually use it to support physical
failover for pg10, so it was always going to land in pg11.

This is very much a "how do we do it right when we do do it" topic,
not a pg10 issue.

 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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