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From: Ron <ronljohnsonjr@gmail.com>
To: pgsql-admin@lists.postgresql.org <pgsql-admin@lists.postgresql.org>
Subject: Re: Recovering standby from primary archived WAL segments
Date: Sat, 4 Nov 2023 09:47:01 -0500
Message-ID: <7a19cf7c-a172-4525-a349-bb254ec1d6e5@gmail.com> (raw)
In-Reply-To: <387721699108418@mail.yandex.com.tr>
References: <27541699100382@mail.yandex.com.tr>
	<117cf700fc5db3085f9e294e76f545e3d9ee72f0.camel@cybertec.at>
	<8357c11f-388f-436a-bd51-4c4dcbc0ea7a@gmail.com>
	<387721699108418@mail.yandex.com.tr>

Well that stinks.  And seems a pretty fatal flaw in repmgr.

On 11/4/23 09:41, Ebubekir Büyüktosun wrote:
> Hi Ron,
> I test it using repmgr. So, when i close the postgres and repmgr services 
> at the standby site, as i understand, repmgr drops it's replication slot 
> so there is no wal accumulation in pg_wal at primary site but archiving is 
> working well because it is enabled.
> Thanks for response,
> 04.11.2023, 17:16, "Ron" <ronljohnsonjr@gmail.com>:
>
>     On 11/4/23 08:42, Laurenz Albe wrote:
>
>          On Sat, 2023-11-04 at 15:46 +0300, Ebubekir Büyüktosun wrote:
>
>              I want to ask how we should configure primary and/or standby
>             servers in case of need
>              to recover the standby server from primary archived WAL segments.
>
>              If it is possible, how primary and/or standby servers must be
>             configured?
>
>          Set "restore_command" on the standby.
>
>
>     When using physical replication and a replication slot still exists in
>     pg_replication_slots, won't the WAL files "just" accumulate in pg_wal/
>     until
>     Pg on the replica is restarted?  (I just tested that, and it seems to
>     work.)
>
>     --
>     Born in Arizona, moved to Babylonia.
>
> *İyi çalışmalar *
> *Best Regards*

-- 
Born in Arizona, moved to Babylonia.

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