Message-ID: <852075437da46121ef5c3293356fd05bec600160.camel@credativ.de>
Subject: Re: Fixed port 65432 in pglogical_create_subscriber
From: Michael Banck <michael.banck@credativ.de>
To: William Ivanski <william.ivanski@2ndquadrant.com>
Cc: pgsql-pkg-debian@postgresql.org
Date: Fri, 25 Sep 2020 11:41:13 +0200
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References: 
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Hi William,

Am Freitag, den 25.09.2020, 01:18 -0300 schrieb William Ivanski:
> I've been trying to convert a PostgreSQL 9.4 physical standby into a
> logical subscriber using pglogical_create_subscriber. It can't
> initialize pglogical on the subscriber server because it can't connect
> to the local PostgreSQL database after a restart, so it hangs.
> 
> As you can see below (sensitive information redacted), I have
> configured to start local PostgreSQL database on port 5433. File
> /etc/postgresql/9.4/main/postgresql.conf confirms port is set to 5433.

[...]

> pglogical_create_subscriber started the local PostgreSQL instance on
> port 65432, but it's expecting to connect to port 5433, so it will
> never be able to connect.
> 
> I checked pglogical source code on [1] and I was not able to find any
> explanation for this fixed port 65432. Then I found the pglogical
> source code is being patched to start Postgres with a fixed port 65432
> here [2].

That patch has been around a long time, I think we had to introduce it
in order to get the testsuite running; maybe it was just a shortcut. I
agree that it's breaking the user experience though.

I can see whether the testsuite got fixed/changed upstream in the
meantime and we can drop the patch now.


Michael

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