RE: So how big is your buffer cache ?

April Wells
Oracle DBA/Oracle Apps DBA
Corporate Systems
Amarillo Texas

You will recognize your own path when you come upon it, because you will suddenly have all the energy and imagination you will ever need. ~ Jerry Gillies ~

-----Original Message-----
From: Gogala, Mladen [mailto:--
Sent: Monday, August 30, 2004 8:53 AM
To: 'oracle-l_at_freelists.org'
Subject: RE: So how big is your buffer cache ?

> -----Original Message-----
> From: April Wells [mailto:AWells_at_csedge.com]
> Sent: Monday, August 30, 2004 8:23 AM
> To: 'oracle-l_at_freelists.org'
> Subject: RE: So how big is your buffer cache ?
>
>
> But really people...
>
> What does it matter in the long run... size doesn't matter
> anyway, right?

That's the first time I see a lady say that. I thought it was a consolation of us, middle-aged, chubby DBA males. Joking aside, the buffer cache should be increased using the same principle as for everything else: you increase the buffer size when you start seeing free buffer waits in your V$SYSTEM_EVENT. The basic principle of the event-based tuning methodology is to try fixing that what sessions are actually waiting for, instead of computing BCHR, horoscope or your personal lucky number.

--
Mladen Gogala
A & E TV Network
Ext. 1216
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