Re: Reporting WAL replay progress during pre-consistency standby reovery

From: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
To: Nitin Jadhav <nitinjadhavpostgres(at)gmail(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Reporting WAL replay progress during pre-consistency standby reovery
Date: 2026-10-28 11:09:22
Message-ID: CAHGQGwGx3isxhe7J1Nc_-1WSBTG6v6CMtB26-wyagOFLbKxP2A@mail.gmail.com
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On Thu, Oct 8, 2026 at 7:36 PM Nitin Jadhav
<nitinjadhavpostgres(at)gmail(dot)com> wrote:
> Does this seem like a useful observability improvement, or is there an
> existing way to obtain equivalent replay progress during this period?

What about the startup process title shown by ps? During recovery,
it shows which WAL file is being replayed, even before consistency is
reached. This provides file-level progress, though not the exact replay LSN.

Regards,

--
Fujii Masao

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