On 5/1/17 10:32, Adrian Klaver wrote: > On 04/30/2017 09:07 AM, Adrian Klaver wrote: >> I have started looking at the logical replication feature in Postgres >> 10. One thing I have no been able to determine is the interoperability >> between it and pglogical(www.2ndquadrant.com/en/resources/pglogical/). I >> know the one is derived from the other, what I can not find is whether a >> Postgres 9.4 instance with the pglogical extension installed can >> communicate with a Postgres 10 instance using the built in code? > Some testing says the answer is no: correct > If I am correct, this means from 9.4 <--> 10 and points in between you > would need to use the pglogical extension on both ends. correct > Going from 10 > --> you could use the builtin logical replication. This leads to another > question. Is is possible to use both at the same time?: > > 9.4 ---> 10(instance 1) ---> 10(instance 2) > pglogical pglogical > builtin builtin That is possible. pglogical will continue to exist, so you can also keep using it if you already have it. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general