Re: /3GB switch on Win2003 Standard Ed (ORA-04030)

On 6/16/06, Michael Ray <topshot.rhit_at_gmail.com> wrote:
> We've been having ORA-04030 instance crashes every 3-5 weeks since
> moving from 8.1.7 on NT to 10gR2 on a more powerful server, and Oracle's
> first recommendation is to use this switch but MS says it's not supported.
>
> Does anyone have experience using this switch with the Standard Edition
> of 2003 in a production environment?
>
> "Caution: Microsoft supports using the /3GB switch in Windows Server
> 2003, Standard Edition in a production environment for use by Active
> Directory. For other applications, Microsoft supports using the /3GB
> switch in Windows Server 2003, Standard Edition only in a production
> environment if the application vendor has tested in this environment and
> if the vendor is willing to support the customer who is using this
> functionality."

You'd obviously want to confirm with Oracle via a tar that they will support you, in principle however they do. If your new more powerful server is 64bit you may wish to read Note 370466.1.

We found that we had great success using SGA_TARGET/MAX_SIZE and especially PGA_AGGREGATE_TARGET to allow Oracle to allocate memory to user threads on windows.

> --
> Niall Litchfield
> Oracle DBA
> http://www.orawin.info

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