| From: | Sam Stearns <sam(dot)stearns(at)dat(dot)com> |
|---|---|
| To: | Deepak Goel <deicool(at)gmail(dot)com> |
| Cc: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>, Joseph Miller II <joseph(dot)miller(at)dat(dot)com>, Thierno Diallo <thierno(dot)diallo(at)dat(dot)com>, Peter Garza <peter(dot)garza(at)dat(dot)com>, Henry Ashu <henry(dot)ashu(at)dat(dot)com> |
| Subject: | Re: Linux VM Sizing |
| Date: | 2025-07-29 15:00:47 |
| Message-ID: | CAN6TVjn+sC703+0Vd0bh93LNwCc=_jjAJPjXufuzKriO+0PfBw@mail.gmail.com |
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| Lists: | pgsql-admin |
Thank you everyone for the advice so far!
Sam
On Tue, Jul 29, 2025 at 12:14 AM Deepak Goel <deicool(at)gmail(dot)com> wrote:
> 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"
> +91 73500 12833 deicool@ gmail. com LinkedIn: www. linkedin.
> com/in/deicool "Plant a Tree,
> ZjQcmQRYFpfptBannerStart
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> 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"
>
> +91 73500 12833
> deicool(at)gmail(dot)com
>
> LinkedIn: www.linkedin.com/in/deicool
>
> "Plant a Tree, Go Green"
>
> Make In India : http://www.makeinindia.com/home
>
>
> On Tue, Jul 29, 2025 at 12:01 PM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)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
>>
>>
>>
--
Samuel Stearns
Team Lead - Database
c: 971 762 6879 | o: 971 762 6879 | DAT.com
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