> https://wiki.postgresql.org/wiki/Multimaster >
That is a pretty old page. There are other solutions, such as pgedge, but the three most important questions when it comes to active-active replication are: * Do you really, really need it? (hint: the answer is no) * What problem are you trying to solve? * Are you really willing to suffer the tradeoffs? Cheers, Greg P.S. Please upgrade to v15.7