Date: Sun, 18 Jul 2004 06:47:37 +0900 (JST) From: Norikatsu Shigemura <nork@FreeBSD.org> To: Alex Vasylenko <lxv@omut.org> Cc: julian@elischer.org Subject: Re: Call for PRs: nullfs Message-ID: <200407172147.i6HLlbPL035974@sakura.ninth-nine.com> In-Reply-To: <20040717195929.GA26144@tadpole.intranet> References: <Pine.LNX.4.44.0407160008280.20163-100000@pancho> <40F835D0.8070609@elischer.org> <20040717195929.GA26144@tadpole.intranet>
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On Sat, 17 Jul 2004 15:59:31 -0400 Alex Vasylenko <lxv@omut.org> wrote: > I find the performance of nullfs somewhat lacking as measured in the test > described below (a config with nullfs performs worse (~2x slower) than the same > config with vnodefs). For simplicity the test was done in chroot, doing it in a > jail has no significant impact on performance. Wow, I confirmed this behavior with 'make buildworld' on 5-current(2004/7/2, SMP). nullfs mounted /usr/src, /usr/obj: about 5000sec ln -s'ed /usr/src, /usr/obj: about 3000sec
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