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Date:      Mon, 26 Feb 2007 14:35:52 -0500
From:      Kris Kennaway <kris@obsecurity.org>
To:        Andrew Hammond <andrew.george.hammond@gmail.com>
Cc:        freebsd-performance@freebsd.org, Ivan Voras <ivoras@fer.hr>
Subject:   Re: Progress on scaling of FreeBSD on 8 CPU systems
Message-ID:  <20070226193552.GA14088@xor.obsecurity.org>
In-Reply-To: <5a0a9d6f0702260936u3408f8d8rd4cde9234b2f7776@mail.gmail.com>
References:  <20070224215508.GA41968@xor.obsecurity.org> <45E13410.7020505@he.iki.fi> <20070225071946.GA48242@xor.obsecurity.org> <45E14BAD.80909@he.iki.fi> <20070225084737.GA49231@xor.obsecurity.org> <errjlr$a8p$1@sea.gmane.org> <5a0a9d6f0702260936u3408f8d8rd4cde9234b2f7776@mail.gmail.com>

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On Mon, Feb 26, 2007 at 09:36:44AM -0800, Andrew Hammond wrote:

> Would you guys mind
> graphing the relative performance of PostgreSQL on 6.2-RELEASE and
> your patched version please?

postgresql currently performs worse than mysql on SMP freeBSD systems
for the reason I posted yesterday (thundering herd wakeups in sysv
semaphoes).  Once someone fixes that I'll be happy to retest.

Kris



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