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From: Tatsuo Ishii <[email protected]>
To: [email protected]
Cc: [email protected]
Cc: [email protected]
Subject: Re: Autofail back inconsistent
Date: Tue, 04 Nov 2025 10:28:34 +0900 (JST)
Message-ID: <[email protected]> (raw)
In-Reply-To: <CACTYHzi9=_fM80pWCgGSVmXUdAkMKTpcL5yL28AY67kD32Bn2Q@mail.gmail.com>
References: <CACTYHzi9=_fM80pWCgGSVmXUdAkMKTpcL5yL28AY67kD32Bn2Q@mail.gmail.com>

Thank you for the proposal. However, this is not the best place to
discuss on new features.  Please send it to
[email protected], where pgpool developers lives.

Best regards,
--
Tatsuo Ishii
SRA OSS K.K.
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp

From: VASUKI M <[email protected]>
Subject: Autofail back inconsistent
Date: Wed, 29 Oct 2025 15:39:59 +0530
Message-ID: <CACTYHzi9=_fM80pWCgGSVmXUdAkMKTpcL5yL28AY67kD32Bn2Q@mail.gmail.com>

> Hi Pgpool-II Community, 👋
> 
> I’ve been working on enhancing *Pgpool-II* by introducing a new feature
> called *“Automatic Resync and Reattach”*, aimed at improving high
> availability and reducing manual intervention after node failures.
> 
> This feature automatically performs:
> 
>    -
> 
>    *pg_rewind synchronization* and *WAL replay* for failed or lagging
>    standby nodes
>    -
> 
>    *Automatic reattachment* of standby nodes once they are safely resynced
> 
> This enhancement overcomes some limitations of the existing:
> 
>    -
> 
>    *Online Recovery*, which requires manual pcp_recovery_node execution
>    -
> 
>    *Auto Failback*, which may reattach inconsistent nodes without
>    synchronization
> 
> With *Auto Resync & Reattach*, Pgpool-II now ensures data safety and
> consistency during failover recovery, providing a more robust
> high-availability environment.
> 
> I’ve created a dedicated repository with detailed setup instructions,
> configuration samples, and diagrams here:
> 👉 *https://github.com/BharatDBPG/pgpool2-auto-resync
> <https://github.com/BharatDBPG/pgpool2-auto-resync>*
> 
> The repository includes:
> 
>    -
> 
>    Enhanced failover.sh and follow_primary.sh scripts which handles both
>    primary and standby failure.
>    -
> 
>    A new resync.sh script integrating pg_rewind + WAL replay
>    -
> 
>    Sample configuration files for a *1 Primary + 2 Standby* setup
> 
> I’d love to get feedback from the community
> Thanks in advance.
> 
> Best regards,
> *Vasuki M*
> https://github.com/BharatDBPG/pgpool2-auto-resync

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