Re: SGA limit on Solaris x86
Date: Tue, 7 Oct 2008 03:50:49 -0700 (PDT)
Message-ID: <0dc38839-6795-4c79-adc6-1c6b7634226e@17g2000hsk.googlegroups.com>
On 7 Oct, 12:02, "Mr. Chow Wing Siu" <wsc..._at_Comp.HKBU.Edu.HK> wrote:
> Dear all,
>
> SQL> show parameter sga;
>
> NAME TYPE VALUE
> ------------------------------------ ----------- ------------------------------
> lock_sga boolean FALSE
> pre_page_sga boolean FALSE
> sga_max_size big integer 4G
> sga_target big integer 4G
>
> Is it the problem? What is sga_target and sga_max_size?
> How to increase?
>
> --
> Johnson Chow
As Vladimir Zakharychev stated earlier, you need 64-bit to address anything above 4Gb.
As Sybrand said, it is unlikely that you would gain anything even if you could address anything above 4Gb. I've even heard of occasions where increasing RAM has had a negative impact.
As for the parameters you mention, more information can be found here:
http://download.oracle.com/docs/cd/B19306_01/server.102/b14231/create.htm#sthref376
HTH -g Received on Tue Oct 07 2008 - 05:50:49 CDT