RE: distribution of the sleeps on the library cache latches

Hi Ed
It seams that the big problem with force was solved

8172 [BUG:1365873] OERI:17182 / CGA corruption with CURSOR_SHARING=FORCE

I havent tried it yet
Ivo  

-----Original Message-----
Sent: Friday, October 19, 2001 01:40 PM
To: Multiple recipients of list ORACLE-L

Hi Ivo,

we are on Linux RH, 8.1.7.0.1. I've tried cursor_sharing=force. Unfortunately, it causes ORA-600. Do 8.1.7.1(2) patches fix this problem?

Regards,
Ed

> Hi Ed
> have you tried cursor_sharing=force ? I dont know what version of oracle
you
> have and there are some known problems but maybe it can help you with
> literal sql statements and then decreasing size of shared_pool.
> Ivo
>
>
> -----Original Message-----
> Sent: Friday, October 19, 2001 12:11 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi Steve,
>
> yes, you're absolutely right. I've inhereted that system. The
> shared_pool_size = 750M. I believe it's HUGE and oversized. The
application
> code is mostly based on literal SQL. The miss rate on the shared pool is
> normally about 15%-20% with periodical peaks up to 50%. But the previous
DBA
> insist that we shouldn't decrease the size of shared pool as the miss rate
> will be much higher. He also setup periodical flushing every 3 hours (I
> assume he did it in order to prevent ORA-4031).
> If I undestand the things right, deacresing of shared_pool_size will
> decrease load on shared pool latch _but_ contention on the library latches
> will be higher because of higher parse rate. Is it correct and what's your
> advice in my case?
>
> Thanks in advance,
> Ed

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Author: Edward Shevtsov
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