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Date: Wed, 11 Mar 2009 13:29:21 +1100
From: Andrew Snow <andrew@modulus.org>
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To: Ivan Voras <ivoras@freebsd.org>, freebsd-stable@freebsd.org
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Subject: Re: Performance with hundreds of nullfs mounts?
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Ivan Voras wrote:
> I seem to remember hearing an anecdote somewhere that using hundreds
> (or thousands?) nullfs mounts for jails results in unreasonably bad
> file system access performance. Does somebody have this kind of setup
> / is it true?

I'm using about several readonly nullfs mounts per jail: usr, bin sbin, 
lib, libexec, with ~20 jails per machine, and the speed is just fine, on 
7.0-STABLE.


- Andrew