Date: Wed, 28 Nov 2007 20:13:44 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: Freebsd-performance@freebsd.org Subject: Re: Poor mysql scaling across the board pre 5.1.22? Message-ID: <474DBDE8.10107@FreeBSD.org> In-Reply-To: <03db01c831cc$8ead9890$b6db87d4@multiplay.co.uk> References: <03db01c831cc$8ead9890$b6db87d4@multiplay.co.uk>
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Steven Hartland wrote: > Some interesting comments here: > http://www.anandtech.com/IT/showdoc.aspx?i=3162&p=10 Indeed, mysql 5.0 has poor scaling compared to postgresql (this affects reads but severely affects writes). However when I tested the latest beta of 5.1 about 6 months ago I found it had about 50% lower performance than 5.0 in a read-only configuration. Maybe they had left some debugging enabled or have since fixed it. Kris
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