Re: CPU to Memory ratio

[John Jones <chianime@xxxxxxxxx>]

Depends on your workload & generation of CPU, of course, but for a
Power5/6/7 I would suggest a bare minimum of 8-10GB/CPU core.  If you're
running workloads that are RAM-intense (Java, WebSphere App Server, etc.)
then shoot for 16+GB/core.  If you're running lots of concurrent jobs, more
RAM is better since it will reduce paging.

On our two systems - a Power5+ and a Power6 - we've got 64GB RAM and 4
active cores so 16GB/core.  It works well for our workload (JDE World,
EnterpriseOne, and supporting apps).

On Wed, Jun 6, 2012 at 1:06 PM, <lketzes@xxxxxxxxxxx> wrote:

> Does anyone know of a Best Practice ratio or a general opinion of CPU to
> Memory ratio.  Someone from IBM suggested 24:1.
>
>
> Thoughts?
>
>
> Larry Ketzes
> Lead Enterprise Infrastructure Engineer
> lketzes@xxxxxxxxxxx
> 302-594-2146
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