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Re: CBO influences

From: VC <boston103_at_hotmail.com>
Date: Wed, 14 Sep 2005 21:03:40 -0400
Message-ID: <EbqdnUwXL4H3VbXeRVn-2g@comcast.com>

"Jonathan Lewis" <jonathan_at_jlcomp.demon.co.uk> wrote in message news:dg9dve$5em$1_at_nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com...
> "Connor McDonald" <connor_mcdonald_at_yahoo.com> wrote in message
[...]>
> Don't share a SAN if you want to run a high
> performance OLTP system - they're not very
> good for small, highly randomised I/Os.
>

One can hardly not share a SAN nowadays, OLTP or otherwise, in an enterprise environment that has nothing but a SAN. One can try not to share a physical disk(s) in a SAN if one has access to a friendly SAN administrator, though ;)

>
>
>
> --
> Regards
>
> Jonathan Lewis
>
> http://www.jlcomp.demon.co.uk/cbo_book/ind_book.html
> Cost Based Oracle - Volume 1: Fundamentals
> On-shelf date: Nov 2005
>
> http://www.jlcomp.demon.co.uk/faq/ind_faq.html
> The Co-operative Oracle Users' FAQ
>
> http://www.jlcomp.demon.co.uk/appearances.html
> Public Appearances - schedule updated 4th Sept 2005
>
>
>
>
Received on Wed Sep 14 2005 - 20:03:40 CDT

Original text of this message

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