Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: How fast should an IO be on a SYMMETRIX?

Re: How fast should an IO be on a SYMMETRIX?

From: Noons <wizofoz2k_at_yahoo.com.au>
Date: 3 Nov 2003 17:50:28 -0800
Message-ID: <73e20c6c.0311031750.27998764@posting.google.com>


"Jonathan Lewis" <jonathan_at_jlcomp.demon.co.uk> wrote in message news:<bo3tbf$l4f$1$8300dec7_at_news.demon.co.uk>...

>
> As a general rule, a large cache on something like the symmetrix
> can be of significant benefit for bursts of intensive disk writes, but
> pretty useless for extremely random reads.
>

Try putting the redo logs on a dedicated cache in the symmetrix. Instant high speed commits! Safe too.

Cheers
Nuno Souto
wizofoz2k_at_yahoo.com.au.nospam Received on Mon Nov 03 2003 - 19:50:28 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US