Re: Inaccurate statement about log shipping replication mode

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Artem Gavrilov <artem(dot)gavrilov(at)percona(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>
Cc: pgsql-docs(at)lists(dot)postgresql(dot)org
Subject: Re: Inaccurate statement about log shipping replication mode
Date: 2025-09-02 07:34:20
Message-ID: 93913aeb398b264ca0dc781095d36d6ad2d3be71.camel@cybertec.at
Views: Whole Thread | Raw Message | Download mbox | Resend email
Thread:
Lists: pgsql-docs

On Mon, 2025-09-01 at 13:51 +0200, Artem Gavrilov wrote:
> As I understand in configuration `Master
> -> Upstream -> Downstream` replication between Master And Upstream
> still can be synchronous, while between Upstream and Downstream is't
> always async. Am I wrong here?

I don't quite understand. Sure, you can have synchronous replication
between the master and upstream. It is the "isn't always async" part
that confuses me. Do you mean that WAL can reach downstream before
the master commits? That is certainly the case.

Yours,
Laurenz Albe

In response to

Responses

Browse pgsql-docs by date

  From Date Subject
Next Message PG Doc comments form 2025-09-02 08:22:12 Minor necessary/sufficient slip-up?
Previous Message Laurenz Albe 2025-09-02 07:30:43 Re: Inaccurate statement about log shipping replication mode