Re: Lost replication slots after pg_upgrade.

From: Julien Rouhaud <rjuju123(at)gmail(dot)com>
To: Nikhil Shetty <nikhil(dot)dba04(at)gmail(dot)com>
Cc: Victor Sudakov <vas(at)sibptus(dot)ru>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>, pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Lost replication slots after pg_upgrade.
Date: 2022-02-08 08:08:43
Message-ID: 20220208080843.an4ljxpjwncz5wqi@jrouhaud
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On Tue, Feb 08, 2022 at 01:18:39PM +0530, Nikhil Shetty wrote:
>
> Thank you for the information. I wanted to understand why the replication
> slot is removed after or during upgrade?

Because pg_upgrade modifies your primary instance in such a way that a standby
can't simply keep replicating from it.

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