Re: POC: enable logical decoding when wal_level = 'replica' without a server restart

From: shveta malik <shveta(dot)malik(at)gmail(dot)com>
To: Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
Cc: Shlok Kyal <shlok(dot)kyal(dot)oss(at)gmail(dot)com>, "Hayato Kuroda (Fujitsu)" <kuroda(dot)hayato(at)fujitsu(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, shveta malik <shveta(dot)malik(at)gmail(dot)com>
Subject: Re: POC: enable logical decoding when wal_level = 'replica' without a server restart
Date: 2025-09-02 04:55:40
Message-ID: CAJpy0uBu-zp8z=pnrLmXd1=rM_J31EttxfQy+sEonSB6LkVu3w@mail.gmail.com
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On Tue, Sep 2, 2025 at 10:24 AM shveta malik <shveta(dot)malik(at)gmail(dot)com> wrote:
>
> Few trivial comments for doc:

Sorry, the email got sent without comments.

1)
+ It is important to note that when
<varname>wal_level</varname> is set to
+ <literal>replica</literal> the effective WAL level can
automatically change

comma after replica missing.

2)
Do we need to mention it as CAUTION somewhere that the last logical
slot drop may disable logical decoding on primary resulting in slots
invalidation on standby?

thanks
Shveta

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