Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 3 May 2002 01:27:31 -0700
From:      Alfred Perlstein <bright@mu.org>
To:        Patrick Thomas <root@utility.clubscholarship.com>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: RFC on my SHM tunings for multiple jailed postgres...
Message-ID:  <20020503082731.GI36741@elvis.mu.org>
In-Reply-To: <20020503002335.C86733-100000@utility.clubscholarship.com>
References:  <20020503002335.C86733-100000@utility.clubscholarship.com>

next in thread | previous in thread | raw e-mail | index | archive | help
* Patrick Thomas <root@utility.clubscholarship.com> [020503 00:38] wrote:
> 
> I have a large server that will be running ~24 jails, 8 of which will be
> running their own postgres server.

You should be aware of the kern.ipc.shm_use_phys sysctl, you might
want to try flipping it on if you encounter problems as it will
greatly reduce the amount of kernel memory required to track
shared memory segments at the expense of making them non-pageable.

-- 
-Alfred Perlstein [alfred@freebsd.org]
'Instead of asking why a piece of software is using "1970s technology,"
 start asking why software is ignoring 30 years of accumulated wisdom.'
Tax deductible donations for FreeBSD: http://www.freebsdfoundation.org/

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020503082731.GI36741>