RE: quick suggestions for tuning ?

Probably normal. You are likely repeatedly, and excessively, reading the same blocks which are obviously cached after the first read. I have a theory - lets call it theory 42 that states that any system which has a BCHR of > 99.5% is either trivial or performing abysmally due entirely to bad sql.

Niall

> -----Original Message-----
> From: ml-errors_at_fatcity.com [mailto:ml-errors_at_fatcity.com] On
> Behalf Of Prem Khanna J
> Sent: 12 August 2003 11:44
> To: Multiple recipients of list ORACLE-L
> Subject: Re: quick suggestions for tuning ?
>
>
> Jared,
>
> LIO being high and BHCR ~ 99% : is this is a normal or abnormal ?
>
> Regards,
> Jp.
>
> 12-08-2003 00:44:23, Jared Still <jkstill_at_cybcon.com> wrote:
> >But his BCHR is 99.57% !
>
>
>
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> Please see the official ORACLE-L FAQ: http://www.orafaq.net
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> Author: Prem Khanna J
> INET: jprem_at_kssnet.co.jp
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Niall Litchfield
  INET: niall.litchfield_at_dial.pipex.com

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