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RE: how do i explain this ?

From: Rahul <rahul_at_ratelindo.co.id>
Date: Thu, 26 Jul 2001 03:15:08 -0700
Message-ID: <F001.00355A65.20010726025625@fatcity.com>

this is 8.1.5, cursor_sharing starts with 8.1.6+ (i guess)

> ----------
> From: nlzanen1_at_EY.NL[SMTP:nlzanen1_at_EY.NL ]
> Reply To: ORACLE-L_at_fatcity.com
> Sent: Thursday, July 26, 2001 5:45 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: how do i explain this ?
>
>
> Hi,
>
>
> If there are the same querries with different literals, try cursor_sharing
> = force
>
> jack
>
>
>
>
> Rahul
>
> <rahul_at_ratelin To: Multiple recipients of
> list ORACLE-L <ORACLE-L_at_fatcity.com>
> do.co.id> cc: (bcc: Jack van
> Zanen/nlzanen1/External/MEY/NL)
> Sent by: Subject: how do i explain
> this ?
> root_at_fatcity.c
>
> om
>
>
>
>
>
> 26-07-2001
>
> 11:37
>
> Please respond
>
> to ORACLE-L
>
>
>
>
>
>
>
>
> list,
> this application heavyly make use of literals , NO BIND VARIABLES
> and was running without any lib cache latch or shared pool latch problems
> on
> 7.3.2
>
> We ported the DB to 8.1.5 and v$session_wait is full of "latch free" event
> !!
> all the latch waits are on lib cache and shapred pool (as expected from
> any
> app NOT using bind vars)
> and the app is running terribly slow !!
>
> my question is... how 7.3.2 was able to handle this ?? how i explain this
> to
> my management ?
> i was able to convince then on porting to 8i to get better perfornace !!
>
> note: i cannot change the app. all changes must be from the back end.
>
> TIA
>
> Rahul
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Rahul
> INET: rahul_at_ratelindo.co.id
>
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> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author:
> INET: nlzanen1_at_EY.NL
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
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--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Rahul
  INET: rahul_at_ratelindo.co.id

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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Received on Thu Jul 26 2001 - 05:15:08 CDT

Original text of this message

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