On Fri, 7 Jan 2022 at 03:29, Euler Taveira <eu...@eulerto.com> wrote:
> On Tue, Jan 4, 2022, at 3:11 PM, PG Doc comments form wrote: > > We could include a sentence explaining that a port probe is not a > sufficient > condition to successfully connect to a Postgres server because the state > machine has more than 2 states. PQping [1] already states "reports the > status > of the server" and describe each state it provides. Feel free to suggest an > improvement to documentation. > A diagram of the state machine would be very useful. There is no known issues with pg_isready and that report isn't clear. He > says > "database and/or user wasn't available". What's the exact error message? If > there is a reproducible test case, share it here. > PostgreSQL docker image can run initialization scripts at container start to create database, users and maybe load some data. So when pg_isready reports success, the DB can still be in an inconsistent state for an app to start using it. -- Anatoli Babenia
