Date: Wed, 11 Mar 2009 13:29:21 +1100 From: Andrew Snow <andrew@modulus.org> To: Ivan Voras <ivoras@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: Performance with hundreds of nullfs mounts? Message-ID: <49B72201.7050409@modulus.org> In-Reply-To: <9bbcef730903101927l3134ce66vf959354914fe4754@mail.gmail.com> References: <9bbcef730903101927l3134ce66vf959354914fe4754@mail.gmail.com>
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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
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