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In-Reply-To: <d0939d84fc0f494f8aade7d3d0915f29@nrc-cnrc.gc.ca>
From: Ron Johnson <ronljohnsonjr@gmail.com>
Date: Tue, 26 Aug 2025 14:56:02 -0400
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 <CANzqJaCgPp_BDjNdcwmq=Zpg=t0R4CZfNO=MXC241e-GASqrZQ@mail.gmail.com>
Subject: Re: using pgbackrest in a PG streaming replication cfg with repmgr
To: Pgsql-admin <pgsql-admin@lists.postgresql.org>
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On Tue, Aug 26, 2025 at 1:45=E2=80=AFPM Ghiurea, Isabella <
Isabella.Ghiurea@nrc-cnrc.gc.ca> wrote:

> and only full database backups
>

If you only want to do full backups, then use pg_dump on the replica
server.  Might need to adjust parameters like max_standby_streaming_delay
and hot_standby_feedbac, just like for long-running queries on the replica.

https://www.postgresql.org/docs/16/runtime-config-replication.html
<https://www.postgresql.org/docs/16/runtime-config-replication.html#GUC-MAX=
-STANDBY-STREAMING-DELAY>

--=20
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

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<div dir=3D"ltr"><div dir=3D"ltr">On Tue, Aug 26, 2025 at 1:45=E2=80=AFPM G=
hiurea, Isabella &lt;<a href=3D"mailto:Isabella.Ghiurea@nrc-cnrc.gc.ca">Isa=
bella.Ghiurea@nrc-cnrc.gc.ca</a>&gt; wrote:</div><div class=3D"gmail_quote =
gmail_quote_container"><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv class=3D"msg-7720495491042855683">


<div dir=3D"ltr">
<div id=3D"m_-7720495491042855683divtagdefaultwrapper" style=3D"font-size:1=
2pt;color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif" dir=3D"ltr">
<p><span style=3D"font-size:12pt">and only full database backups</span></p>=
</div></div></div></blockquote></div><div><br clear=3D"all"></div><div>If y=
ou only want to do full backups, then use pg_dump on the replica server.=C2=
=A0 Might need to adjust parameters like max_standby_streaming_delay and ho=
t_standby_feedbac, just like for long-running queries on the replica.</div>=
<div><br></div><div><a href=3D"https://www.postgresql.org/docs/16/runtime-c=
onfig-replication.html#GUC-MAX-STANDBY-STREAMING-DELAY" rel=3D"nofollow" st=
yle=3D"box-sizing:border-box;color:rgb(25,49,69);text-decoration-line:none;=
background-color:transparent;font-weight:600;font-family:monospace,monospac=
e;font-size:10.7333px">https://www.postgresql.org/docs/16/runtime-config-re=
plication.html</a></div><div><br></div><span class=3D"gmail_signature_prefi=
x">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr=
">Death to &lt;Redacted&gt;, and butter sauce.<div>Don&#39;t boil me, I&#39=
;m still alive.<br><div><div>&lt;Redacted&gt; lobster!</div></div></div></d=
iv></div></div>

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