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Date:      Thu, 10 Mar 2005 22:30:11 +0300
From:      Denis Shaposhnikov <dsh@vlink.ru>
To:        Kris Kennaway <kris@FreeBSD.ORG>
Cc:        Andy Hilker <ah@crypta.net>
Subject:   Re: the current status of nullfs, unionfs
Message-ID:  <878y4vxprw.fsf@neva.vlink.ru>
In-Reply-To: <20050310191759.GI34206@hub.freebsd.org> (Kris Kennaway's message of "Thu, 10 Mar 2005 19:17:59 %2B0000")
References:  <200503091838.06322.mi%2Bmx@aldan.algebra.com> <20050310004919.GA34206@hub.freebsd.org> <87ll8vn32j.fsf@neva.vlink.ru> <20050310160852.GB1718@mail.crypta.net> <87sm33z55v.fsf@neva.vlink.ru> <20050310191759.GI34206@hub.freebsd.org>

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>>>>> "Kris" == Kris Kennaway <kris@FreeBSD.ORG> writes:

 >> >> nullfs is absolutely useless for jail's because TOO slow.
 >>
 Andy> What do you mean exactly, how do you benchmark this?
 >>
 >> Just ran build of databases/mysql41-server in a jail with nullfs
 >> mounted /bin /sbin /lib etc over r/w nfs mounted sandbox.

 Kris> And compared it to what?  What was your NFS setup?  What
 Kris> measurements did you obtain?

Oops, sorry. Compared to the same configuration but unionfs -r -o ro
instead of nullfs. Measurements are simple: for nullfs building is
s...t...r...i...n...g by string (i mean a big pause between every
compiled file). And for unionfs are stringbystringbystring :) as for
just ufs mounted fs's.

-- 
DSS5-RIPE DSS-RIPN 2:550/5068@fidonet 2:550/5069@fidonet
mailto:dsh@vlink.ru http://neva.vlink.ru/~dsh/



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