Re: library cache hit ratio > 100%

  • From: Jared Still <jkstill@xxxxxxxxx>
  • To: jhowerton@xxxxxxxxx
  • Date: Mon, 14 Mar 2005 13:12:37 -0800

My guess is that reloads has gone negative.

Which version of Oracle?

Jared


On Mon, 14 Mar 2005 14:47:05 -0600, James Howerton <jhowerton@xxxxxxxxx> wrote:
> DBA's,
> 
> Has anyone seen library cache hit ratio > 100% ???  This is a very busy
> production database, it is usually < 97 % ( I don't tune by hit ratios
> I'm just curious).
> 
> SQL> select SUM(PINS)/(SUM(PINS)+SUM(RELOADS))*100
>           from v$librarycache;
> 
> Library Hit Ratio
> --------------------------
>       100.009799
> 
> 1 row selected.
> 
> TIA
> ...JIM...
> --
> //www.freelists.org/webpage/oracle-l
> 


-- 
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
//www.freelists.org/webpage/oracle-l

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