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Home -> Community -> Mailing Lists -> Oracle-L -> RE: On the question of "What is a Large Database Anyway ?"
Can anyone refer me to a site that lists this book as available..
-----Original Message-----
Sent: Monday, June 04, 2001 6:15 AM
To: Multiple recipients of list ORACLE-L
Cary wrote the intro (and, along with Scott Gossett of Oracle University, Craig Shallahamer and a few other "unknowns") did the tech-edit. I had the privilege of doing the "developmental edit" (this means I got to help Gaja make it fun and understandable for an entry-level tuner). But it also meant I got to read it as Gaja and Kirti were writing it.... it's a wonderful book
and I believe it's actually out now.
>From: Mogens Nørgaard <mno_at_MiracleAS.dk>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: Re: On the question of "What is a Large Database Anyway ?"
>Date: Mon, 04 Jun 2001 00:01:18 -0800
>
>It's a good book. Cary Millsap has even written the intro :).
>
>Yep, Gaja will talk about using the wait-interface (available since 7.0.12)
>instead of all these stupid and mis-leading ratios flying around. That and
>Jonathan Lewis' book are the best I've seen since Dave Ensors Oracle8
>Design book, but that's kind of old now.
>
>For the original intro to the wait-interface (or time-based) tuning, you
>should of course read Anjo Kolks famous YAPP paper.
>
>"Post, Ethan" wrote:
>
> > I just got back from a little seminar from Quest with Gaja Krishna
> > Vaidyanatha and if he was dead (he's not that I'm aware of) he would be
> > rolling in his grave about your comments on hit rates and SGA sizes.
>His
> > new book 101 Oracle Performance Tuning will stress that you abandon
>those
> > hit rates and focus on V$SYSTEM_EVENT, V$SESSION_EVENT and
>V$SESSION_WAIT in
> > combination with CPU and IO stats. He states that Oracle is rather well
> > designed for physical IO. His presentation was great and I'm definatley
> > going to buy his book because I can learn something from this guy. So
>maybe
> > those small SGA's aren't so bad after all :)
> >
> >
>http://www.amazon.com/exec/obidos/ASIN/0072131454/o/qid=991436418/sr=2-1/re
f
> > =aps_sr_b_1_1/002-4814740-2092864
> >
> > - Ethan Post
> >
> > -----Original Message-----
> > Sent: Friday, June 01, 2001 4:35 PM
> > To: Multiple recipients of list ORACLE-L
> >
> > As most everyone has said so far .... Its all subjective. What is
>large to
> > me .... is a dinky little thing to someone else.
> >
> > Right now at my current job we have around 37 instances on 4 mchines
>with 2
> > GB or less of memory and 2 - 4 processors each. These DBs range from a
>10
> > MB to a 70 MB SGA (yes, sounded real small to me when I got here also).
> > These databases are all in the realm of 60 - 100 GB of data each.
> >
> > My last job we had 2 machines running 4 instances. These DBs had SGAs
>from
> > 350 MB to 980 MB in size with 4 CPUs using 4 GB of memory. As far as
>size
> > goes, we had upwards of a Terrabyte of data.
> >
> > To me, I have found that I have to treat both setups the same. They
>really
> > do have the same problems (space, hit rates, drive failures, hardware
> > failures, etc.) You just have to pay closer attention to certain
>aspects of
> > them differently. With the small SGAs we have to look real close at hit
> > rates and all the Memory Dependent aspects of the DB. With the large
>amount
> > of data on the other DB we had to look more closely at Data and file
>related
> > problems.
> >
> > All I am trying to say is ......... its all subjective.
> >
> > Kevin
> >
> >
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>===========================================================================
===
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Post, Ethan
> > INET: epost_at_kcc.com
> >
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>--
>Venlig hilsen
>
>Mogens Nørgaard
>
>Technical Director
>Miracle A/S, Denmark
>Web: http://MiracleAS.dk
>Mobile: +45 2527 7100
>
>
>
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author: Mogens =?iso-8859-1?Q?N=F8rgaard?=
> INET: mno_at_MiracleAS.dk
>
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