Re: quick suggestions for tuning ?

At 06:59 AM 8/11/2003 -0800, you wrote:
>Thanks a lot Connor.
>Apart from bind vars.,LIO is a big issue here.
>
>54 million consistent gets.
>does it mean that db_cache_size (700M) is small ?

No, the buffer pool size has absolutely nothing to do with the number of logical IOs. Its size only determines how many of the LIOs end up as PIOs - the infamous buffer hit ratio. The only way to reduce the # of LIOs is through SQL tuning.

>any good docs or links regarding LIO and how to deal with it ?
>
>Can u explain me Connor ?

Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com

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