Message-Id: <10715.124920@fatcity.com>
From: Chuck Hamilton <chuck_hamilton@yahoo.com>
Date: Tue, 19 Dec 2000 06:08:00 -0800 (PST)
Subject: Re: file layout preference

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 With only three disks, #1 is probably your best bet.

  Kate Monro <KMonro@extend.com> wrote: 
I only have 3 sets of mirrored disks available (have to be mirrored). What
would be the best set-up for a single purpose application averaging about
100 hits per second, equal read & writes, Sun E250 dual processor? 
I'm guessing #1 so that I have a bit of leeway with IO balancing - any
comments?

- 1GB RAM if possible (get all data in the buffer cache)
- minimal indexing
- use locally managed table spaces to minimize io contention with SYSTEM
- temp & users aren't used much if at all

#1 disks mirrored only
db1 os, software, archived logs
db2 indexes, system, online redo logs
db3 data, rbs, temp, users

#2 db1 mirrored, db2 is 4 disks striped and mirrored
db1 os, software, archived logs
db2 data, indexes, system, rbs, online redo logs, temp





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Author: Kate Monro
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<P> With only three disks, #1 is probably your best bet.<BR>
<P>&nbsp; <B><I>Kate Monro &lt;KMonro@extend.com&gt;</I></B> wrote: <BR>
<BLOCKQUOTE style="BORDER-LEFT: #1010ff 2px solid; MARGIN-LEFT: 5px; PADDING-LEFT: 5px">I only have 3 sets of mirrored disks available (have to be mirrored). What<BR>would be the best set-up for a single purpose application averaging about<BR>100 hits per second, equal read &amp; writes, Sun E250 dual processor? <BR>I'm guessing #1 so that I have a bit of leeway with IO balancing - any<BR>comments?<BR><BR>- 1GB RAM if possible (get all data in the buffer cache)<BR>- minimal indexing<BR>- use locally managed table spaces to minimize io contention with SYSTEM<BR>- temp &amp; users aren't used much if at all<BR><BR>#1 disks mirrored only<BR>db1 os, software, archived logs<BR>db2 indexes, system, online redo logs<BR>db3 data, rbs, temp, users<BR><BR>#2 db1 mirrored, db2 is 4 disks striped and mirrored<BR>db1 os, software, archived logs<BR>db2 data, indexes, system, rbs, online redo logs, temp<BR><BR><BR><BR><BR><BR>-- <BR>Please see the official ORACLE-L FAQ: http://www.orafaq.com!
<BR>-- <BR>Author: Kate Monro<BR>INET: KMonro@extend.com<BR><BR>Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051<BR>San Diego, California -- Public Internet access / Mailing Lists<BR>--------------------------------------------------------------------<BR>To REMOVE yourself from this mailing list, send an E-Mail message<BR>to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in<BR>the message BODY, include a line containing: UNSUB ORACLE-L<BR>(or the name of mailing list you want to be removed from). You may<BR>also send the HELP command for other information (like subscribing).</BLOCKQUOTE><p><br><hr size=1><b>Do You Yahoo!?</b><br>
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