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Home -> Community -> Usenet -> c.d.o.server -> Re: Q: RAM Sizing for 10g
On Wed, 17 May 2006 17:41:15 GMT, Brian Peasland <oracle_dba_at_nospam.peasland.net> wrote:
>> From the oracle docs I found this:
>>
>> At least 1024 MB of physical RAM
>
>That's a recommendation. I have small test databases that work just fine
>with a total SGA of 200MB, much much less than the 1GB recommendation.
We, too, have a smaller DB with less memory. Guess the issue
comes with what do you define performance issues to be.
>
> > We currently have about 150-200 users. Our existing servers have
>12G of RAM. Is that enough to carry us through?
>> Do I need more for 10 from 9? Performance on our 9i systems is OK but I just want to make sure it stays that way
>> when we move to 10.
>
>Only you can answer if 12GB of physical memory on your database server
>is enough. Is it enough currently under 9i? If so, then it will probably
>be enough under 10g too. In those databases that I upgraded from 9i to
>10g, I did not have to increase my SGA size.
Thanks.
>There is some info in the Upgrade Guide which does talk about the need
>for a larger Java Pool, etc. So you will want to check this doc for info
>to see how it pertains to your specific environment. For example, if you
>had a small Java Pool in 9i, you might need to increase it in 10g.
I will dig for the upgrade guide. Thanks for the pointer.
Vince
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