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In-Reply-To: <AD880348-DEA9-4C81-B55B-DF28AC859ABA@amazon.com>
From: Robert Haas <robertmhaas@gmail.com>
Date: Mon, 13 Sep 2021 16:20:00 -0400
Message-ID: 
 <CA+TgmoY7Jh-qK8_w4jP2Ji26npxAMRUf5GmCXqTrfeS4N+aJGg@mail.gmail.com>
Subject: Re: Estimating HugePages Requirements?
To: "Bossart, Nathan" <bossartn@amazon.com>
Cc: Michael Paquier <michael@paquier.xyz>,
 Fujii Masao <masao.fujii@oss.nttdata.com>,
	Justin Pryzby <pryzby@telsasoft.com>, Andres Freund <andres@anarazel.de>,
	Magnus Hagander <magnus@hagander.net>,
 Mark Dilger <mark.dilger@enterprisedb.com>,
	Don Seiler <don@seiler.us>,
	"pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
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On Mon, Sep 13, 2021 at 2:49 PM Bossart, Nathan <bossartn@amazon.com> wrote:
> Yeah, I agree.  What about
> huge_pages_needed_for_shared_memory_size or
> huge_pages_needed_for_main_shared_memory?  I'm still not stoked about
> using "required" or "needed" in the name, as it sounds like huge pages
> must be allocated for the server to run, which is only true if
> huge_pages=on.  I haven't thought of a better word to use, though.

I prefer the first of those to the second. I don't find it
particularly better or worse than my previous suggestion of
shared_memory_size_in_huge_pages.

-- 
Robert Haas
EDB: http://www.enterprisedb.com