Oracle Myth #1745
"When u set the sort_area_size for a database, it will
allocate that much memory PER USER for any sort
operation being performed on the database"
- "SARKAR, Samir"
<Samir.SARKAR_at_nottingham.sema.slb.com> wrote: >
Arvind,
>
> When u set the sort_area_size for a database, it
> will allocate that much
> memory PER USER
> for any sort operation being performed on the
> database. In practice, it
> means that if u allocate
> too high a value for the sort_area_size and multiple
> users are performing
> multiple sorts, the Unix
> system may run out of memory and Oracle will return
> u a process memory
> error.
>
> For eg. if u have ur sort_area_size as 100MB and u
> have 10 users performing
> sort operations
> on the database, Oracle will take up 100*10 MB
> memory. This might degrade ur
> system performance.
>
> Samir
>
> Samir Sarkar
> Oracle DBA
> SchlumbergerSema
> Email : ssarkar2_at_slb.com
> Phone : +44 (0) 115 - 957 6028
> EPABX : +44 (0) 115 - 957 6418 Ext. 76028
> Fax : +44 (0) 115 - 957 6018
>
>
> -----Original Message-----
> Sent: 31 March 2003 11:04
> To: Multiple recipients of list ORACLE-L
>
>
> hello all,
>
> how does increasing the value of SORT_AREA_SIZE
> affect the unix system
> perfomance.
>
>
> Thanks
> Arvind
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.net
> --
> Author: Arvind Kumar
> INET: arvindk_at_sqlstarintl.com
>
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> Please see the official ORACLE-L FAQ:
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> --
> Author: SARKAR, Samir
> INET: Samir.SARKAR_at_nottingham.sema.slb.com
>
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Received on Mon Mar 31 2003 - 08:18:35 CST
