Tomas Vondra <tomas.von...@2ndquadrant.com> writes: > On 04/03/2018 04:37 PM, Alvaro Herrera wrote: >> Tomas Vondra wrote: >>> Yes, that is a good point actually - we need to test that replication >>> between PG10 and PG11 works correctly, i.e. that the protocol version is >>> correctly negotiated, and features are disabled/enabled accordingly etc.
>> Maybe it'd be good to have a buildfarm animal to specifically test for >> that? > Not sure a buildfarm supports running two clusters with different > versions easily? You'd need some specialized buildfarm infrastructure like --- maybe the same as --- the infrastructure for testing cross-version pg_upgrade. Andrew could speak to the details better than I. regards, tom lane