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Date:      Fri, 4 Mar 2005 02:31:49 +0100
From:      Emanuel Strobl <>
Cc:        Daniel Eriksson <>
Subject:   Re: Sharing directories with jails
Message-ID:  <200503040231.54121@harrymail>
In-Reply-To: <!~!>
References:  <!~!>

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Am Freitag, 4. M=E4rz 2005 01:50 schrieb Daniel Eriksson:
> Emanuel Strobl wrote:
> > You can also use nullfs (man (8) mount_nullfs). It's slow and
> > not certified to be bugfree but I never had any problems and
> > especially for centralized ports very useful.
> What has given you the idea that nullfs is slow? I'm using it extensively
> and have not noticed any significant slowdown. Under what usecase(s) is it
> slow? (My usage is mainly for medium to large files, with <200 files per
> directory.)

Some perfomance benchmarks at 5.3 release cycle showed that the way nullfs=
works is suboptimal, also file backed memory devices are very slow, but I'm=
no developer so I can't explain you exactly why. Perhaps someone had a look=
at this in the meantime, I didn't do any tests since then but I also saw no=
commit log which indicates that people were working on that.


> /Daniel Eriksson
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