On Sat, Nov 17, 2018 at 4:56 AM Laurenz Albe <laurenz.a...@cybertec.at> wrote:
> Tom Lane wrote: > > > As it is now, the patch doesn't keep two connections open. It > remembers > > > the index of the host of the first successful writable connection, but > > > closes the connection, and opens another one to that host if no > read-only > > > host can be found. > > > > Oh! The reason I assumed it wasn't doing that is that such a behavior > > seems completely insane. If the point is to keep down the load on your > > master server, then connecting only to immediately disconnect is not > > a friendly way to do that --- even without counting the fact that you > > might later come back and connect again. > > That's why I had argued initially to keep the session open, but you > seem to dislike that idea as well. > Yes, we need either session open or reconnect it approach to find out the whether server is read-write or read-only. And also for read-only or prefer-read connection types, once after the connection establishment is done, later server promotes to read-write, I feel we can continue the connection, that decision makes the feature simple, or do we want to stop the connection? Regards, Haribabu Kommi Fujitsu Australia