Re: Linux VM Sizing - Mailing list pgsql-admin

From Deepak Goel
Subject Re: Linux VM Sizing
Date
Msg-id CA+b7NVXsX-jdhsTQb-jh2VpgUH_UUTCRzQinwi8f8J2LgyF2-A@mail.gmail.com
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In response to Re: Linux VM Sizing  (Laurenz Albe <laurenz.albe@cybertec.at>)
Responses Re: Linux VM Sizing
List pgsql-admin
CPU, you are good.

Memory, bump it up by 2


Deepak
"The greatness of a nation can be judged by the way its animals are treated - Mahatma Gandhi"


"Plant a Tree, Go Green"



On Tue, Jul 29, 2025 at 12:01 PM Laurenz Albe <laurenz.albe@cybertec.at> wrote:
On Mon, 2025-07-28 at 16:41 -0700, Sam Stearns wrote:
> We are sizing a Linux VM to migrate our Oracle production database to.  We are
> currently running on an Oracle Database Appliance.  Oracle CPU / memory usage stats are:
>
> CPU % usage - 25% of 20 cores / 40 threads (Intel® Xeon® S4314 processor)
> Memory % usage - 100% usage of 600G SGA
>
> Based on the above can anyone give advice as to how to size the CPU / memory of the Linux VM, please?

Choose something that is about as strong as the old hardware.

If you find that the old machine is too strong for the current
Oracle workload, you can also downsize.

Yours,
Laurenz Albe


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