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Date:      Mon, 4 Feb 2002 19:12:32 +0100 (CET)
From:      "Anders Nor Berle" <debolaz@debolaz.com>
To:        <daniel@interq.or.jp>
Cc:        <freebsd-isp@FreeBSD.ORG>
Subject:   Re: about Jail
Message-ID:  <35580.62.179.128.205.1012846352.squirrel@webmail.debolaz.com>
In-Reply-To: <Pine.GSO.3.96LJ1.1b7.1020204111201.26956A-100000@imap.interq.or.jp>
References:  <Pine.GSO.3.96LJ1.1b7.1020204111201.26956A-100000@imap.interq.or.jp>

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>
> Hi fellow freebsd users,
>
> Going through the isp archive, I found useful information about Jail. There are few
> comments where someone mentioned that Jail is not suitable  for a large scale domain
> hosting due to overhead. I assume that overhead here refers to disk usage for
> creating an each jail environment. But, since large IDE drives are so cheap these
> days, I don't really consider it  overhead. To those who are providing domain hosting
> with Jail, how do you  usually set up a machine and how many Jails do you have on
> each machine?
>

I see no other overhead than disk usage either on my systems, so I assume that must be
it. I set it up the pretty standard way described in jail(8). I have some custom patches
that allows things like top to run without kernel memory access too. Only limit for the
number of jails to run on a machine I've run into are disk and memory.

- Anders Nor Berle




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