Hi Laurent, take a look at Patroni: https://github.com/zalando/patroni It's free and reliable. Cheers, Paul > On 09. Jul, 2020, at 15:53, Laurent FAILLIE <l_faillie@xxxxxxxxx> wrote: > > Hello, > > I've been asked by one of my customer to know which are the possible clustering solution for PostgreSQL ? > > Active/passive ? > Active/active ? > > if possible free or not too expensive. > > Thanks > > Laurent