Re: Doc about how to set max_wal_senders when setting minimal wal_level

On Thu, 03 Mar 2022 at 11:25, David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
> I would suggest a wording more like:
>
> "A precondition for using minimal WAL is to disable WAL archiving and
> streaming replication by setting max_wal_senders to 0, and archive_mode to
> off."
>
> While accurate, the phrase "you must set" just doesn't feel right to me. I
> also don't like how the proposed sentence (either one) is added separately
> as opposed to being included in the immediately preceding paragraph. While
> this limited patch is probably sufficient I would suggest trying to work
> out a slightly larger patch the improves the wording on the entire existing
> paragraph while incorporating the reference to max_wal_senders.
>

Thanks for your review. Modified as your suggestion.

> Note, we seem to be missing the documentation of the default setting for
> archive_mode.
>

Add the default value for archive_mode.

> In addition, max_wal_senders could also be changed, adding a sentence like:
>
> "If setting max_wal_senders to 0 consider also reducing the amount of WAL
> produced by changing wal_level to minimal."
>

Modified.

--
Regrads,
Japin Li.
ChengDu WenWu Information Technology Co.,Ltd.