Date: Thu, 6 Apr 1995 19:27:01 -0700 (PDT) From: Poul-Henning Kamp <phk@ref.tfs.com> To: babkin@hq.icb.chel.su (Serge A. Babkin) Cc: terry@cs.weber.edu, freebsd-hackers@FreeBSD.org Subject: Re: large filesystems/multiple disks [RAID] Message-ID: <199504070227.TAA15629@ref.tfs.com> In-Reply-To: <199504071321.IAA00249@hq.icb.chel.su> from "Serge A. Babkin" at Apr 7, 95 08:21:30 am
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> Yes. But mirroring gives additional throughput increase for reading > like stripping (and decrease for writing unlike it :-( ). But from > my experience big databases are much more often read than written, > aren't they ? No. In most mixes I've run mirroring ends up having no net impact on the speed. The two effects cancel each other out. -- Poul-Henning Kamp <phk@login.dknet.dk> -- TRW Financial Systems, Inc. 'All relevant people are pertinent' && 'All rude people are impertinent' => 'no rude people are relevant'
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