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Date:      20 Sep 2001 08:56:43 -0700
From:      swear@blarg.net (Gary W. Swearingen)
To:        "Philippe Bourcier" <rip@cyberabuse.org>
Cc:        <freebsd-doc@FreeBSD.ORG>
Subject:   Re: sysctl
Message-ID:  <k5bsk55004.sk5@localhost.localdomain>
In-Reply-To: <000f01c141e0$1e1de540$0a00a8c0@zen>
References:  <000f01c141e0$1e1de540$0a00a8c0@zen>

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"Philippe Bourcier" <rip@cyberabuse.org> writes:

> I am willing to make a documentation about all sysctl values (one by one,
> their options and their use) so people can understand and tune better their
> system.
> 
> Is that something already being done?
> Does that sound interesting (to me it sounds like it is, but then it's my
> idea...)?

Just a comment from a newbie:  We've probably all wished for such a
document, but here's a couple of things to consider:

The information would (usually?) be redundant, being documented in
subject- specific sections of the handbook (or ?).  This increases the
maintenance burden if your documentation is other than just a dated
article.  In a low-resource outfit, it is probably better to keep info
in one place and use references.  It is probably debatable where that
should be for sysctl items.  I suspect that their use is better
described in a topical context than in a list as you propose.  Perhaps
your document could list the items (to be easily located and for
methodical exploration), giving references to sections in other
documentation where each are described (and you could improve those
sections as needed) and do as you planned for the items nowhere else
described.

Of course, If you'd rather not mess with references and other documents,
I'm sure the document you propose would be a lot better than none at all.

I hope you will not forget to mention the interaction of some KERNCONF
variables with some sysctl variables.

Good of you to ask for comment first.  I hope I haven't discouraged you.

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