public inbox for [email protected]  

help / color / mirror / Atom feed

From: Andreas Karlsson <[email protected]>
To: David G. Johnston <[email protected]>
To: PostgreSQL Hackers <[email protected]>
Subject: Re: doc: Improve wal_level and effective_wal_level GUC around logical replication
Date: Tue, 7 Apr 2026 23:59:24 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAKFQuwY=WLF0OH8JE5T8S=aj0LBydiSn02fkRE73Sm_KSLRqJQ@mail.gmail.com>
References: <CAKFQuwY=WLF0OH8JE5T8S=aj0LBydiSn02fkRE73Sm_KSLRqJQ@mail.gmail.com>

On 3/4/26 4:55 PM, David G. Johnston wrote:
> In evaluating the proposed change to wal_level docs in [1] I found it to 
> be undesirable, but the discussion and my own review discovered some 
> other changes that should be considered.

While I am not happy with the text before I am not sure your changes 
here really make it much better, just different, hmm.

> Since effective_wal_level now exists, Logical Replication Getting 
> Started needs to be updated.
> Add links to the main topics that the different levels apply to.
> Be explicit about the ordering of minimal, replica, and logical.
> Move the behavior of effective_wal_level to the GUC for it, leaving 
> behind just the pointer that wal_level is now just a "minimum".
Shouldn't it be:

"Ensure that <xref linkend="guc-wal-level"/> is at least replica"

and

"wal_level = replica"

as the logical replication slot may be created later?

-- 
Andreas Karlsson
Percona

view thread (7+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected]
  Subject: Re: doc: Improve wal_level and effective_wal_level GUC around logical replication
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox