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Date:      Mon, 7 Aug 2000 22:10:04 +0000
From:      Tony Finch <dot@dotat.at>
To:        Robert Watson <rwatson@freebsd.org>
Cc:        Dennis <dennis@etinc.com>, hackers@freebsd.org
Subject:   Re: FreeBSD belly up with big config
Message-ID:  <20000807221004.U24886@hand.dotat.at>
In-Reply-To: <Pine.NEB.3.96L.1000807170600.3282A-100000@fledge.watson.org>
References:  <200008051708.NAA00486@etinc.com> <Pine.NEB.3.96L.1000807170600.3282A-100000@fledge.watson.org>

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Robert Watson <rwatson@freebsd.org> wrote:
>
>I'd made some similar observations about the current lack of scalability
>both in management of (struct ifnet) chains, and mountpoints in the file
>system.

When I had a brief look at the way mount points are handled I
concluded that most of the time they were found via the vnode tree
which is independent of the number of mounted filesystems. The list of
mountpoints is only scanned rarely, when you are doing heavy stuff
like mounting or unmounting a filesystem.

Tony.
-- 
en oeccget g mtcaa    f.a.n.finch
v spdlkishrhtewe y    dot@dotat.at
eatp o v eiti i d.    fanf@covalent.net


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