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RE: Dictionary Cache HIT Ratio

From: Weerd Kirsten, E.C. de <Kirsten.deWeerd_at_Oranjewoud.nl>
Date: Mon, 16 Oct 2000 09:10:21 +0100
Message-Id: <10651.119282@fatcity.com>


This works for me, but if it's the best way ???

SELECT

  SUM(GETS) DICT_GETS ,
  SUM(GETMISSES) DICT_MISSES,
  SUM(GETS-GETMISSES)*100/SUM(GETS) PCT

FROM
  V$ROWCACHE ;
> -----Original Message-----
> From: Rajesh Dayal [SMTP:Rajesh_at_ohitelecom.com]
> Sent: Monday, October 16, 2000 6:40 AM
> To: Multiple recipients of list ORACLE-L
> Subject: Dictionary Cache HIT Ratio
>
> Hi All,
> What is the best SQL to determine Dictionary Cache Hit
> Ratio?
>
> In Online manuals I found this,
>
> select (sum(gets - getmisses - usage - fixed)) /sum(gets) " Row Cache "
> from v$rowcache ;
>
> It doesn't seem to be acceptable to me ...................
>
> I think, the better (if not best) SQL could be
>
> select (sum(gets - getmisses - fixed)) /sum(gets - fixed) " Row Cache "
> from v$rowcache ;
>
> Please correct me if I am wrong. Thanks for your opinion ...
>
> Regards,
> Rajesh
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Rajesh Dayal
> INET: Rajesh_at_ohitelecom.com
>
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Received on Mon Oct 16 2000 - 03:10:21 CDT

Original text of this message

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