Date: Wed, 12 Dec 2001 17:27:18 -0000 From: "Andrew Tulloch" <andrewt@great4.co.uk> To: <freebsd-stable@freebsd.org> Subject: SMP and MySQL/threads Message-ID: <077a01c18332$3ffd4190$4c0116ac@ANDREWT>
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I currently have two SMP PIII-800 machines with 1gig of ram running Redhat that I've inherited the administration of, their main task is currently to run MySQL. I've been wanting to move them over to FreeBSD to reduce administrative overhead, however my current understanding is that threads are implemented using the pthread library inside a single process that means two threads cannot run on seperate CPUs at the same time, which is obviously something I'd want on a machine most running MySQL. I'm farily certain I'd have quite a lot of wasted CPU time with MySQL running on just one processor. I've looked at the makefile of the port and that has the option to compile the port with linuxthreads, however it warns it should not be used for production and that I should expect problems. Has anyone tried this or has any other recommendations? Cheers Andrew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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