Date: Mon, 6 Feb 2012 20:41:40 -0000 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Doug Barton" <dougb@FreeBSD.org>, <freebsd-jail@FreeBSD.org> Subject: Re: Practical limit to number of jails on a given host? Message-ID: <F1CB29A50C864EABB891F84D8DD8FDE7@multiplay.co.uk> References: <4F30381E.2020100@FreeBSD.org>
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----- Original Message -----
From: "Doug Barton" <dougb@FreeBSD.org>
> So first question is, is there some sort of hard-coded limit somewhere?
> If not, what is the largest number of jails that you've created
> successfully/reliably on a system, and what are the specs for that system?
We happilly run up ~80 single process jails on 24 core machines without issue.
One thing to be aware of is the issue with prison0->uref becoming 0 and panicing
the machine if a fix for this hasnt been commited yet.
If you need a working patch for this I can provide one.
Regards
Steve
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