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Thank you, Jim.
I would be looking at enabling additional cores not an additional processor.
My question is, if we enable the additional cores, will we see a
performance improvement of some kind?
THanks, Darryl.

On Wed, Sep 28, 2022 at 8:16 PM Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>
wrote:

The P05 systems are the 4 core boxes, I suspect given the description this
is a 6 or 8 core system which would make it a P10. In either case, adding
a core to the existing one will not change the P level.

What might be a slight added cost is if the system was ordered without all
the cores activated, then there will be a charge for activating the
hardware portion. Again, that’s not cost prohibitive.

Jim Oberholtzer
Agile Technology Architects



On Sep 28, 2022, at 4:34 PM, Don Brown via MIDRANGE-L <
midrange-l@xxxxxxxxxxxxxxxxxx> wrote:

Are you on P05 or P10 licensing ?

If on P05 I think activating another processor will put you into P10
which
to me is significant cost.

Cheers

Don




From: "a4g atl" <a4ginatl2@xxxxxxxxx>
To: "Midrange Systems Technical Discussion"
<midrange-l@xxxxxxxxxxxxxxxxxx>
Date: 29/09/2022 04:55 AM
Subject: Re: Question on effectiveness of additional processors
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxxxxxxxx>



Apologies, I missed the versions etc.
We are at 7.3 and very old PTF's Back to when the system was delivered I
think. Long before my time..

Our performance is not bad. But if the cost is reas, we may consider
another processor
Darryl.

On Wed, Sep 28, 2022 at 2:25 PM Rob Berendt <rob@xxxxxxxxx> wrote:

Jim's comments still stand.

What release(s) are you running?
Do you keep current on PTFs?
The reason I ask is that there are some charts in the New Navigator at
http://youribmi:2002/Navigator , Performance, Graph History which may
help
Then again I still get baffled by what is an acceptable page faulting. I
think that's an ever evolving number.

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 7310 Innovation Blvd, Suite 104
Ft. Wayne, IN 46818
Ship to: 7310 Innovation Blvd, Dock 9C
Ft. Wayne, IN 46818
http://www.dekko.com

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
a4g
atl
Sent: Wednesday, September 28, 2022 1:51 PM
To: Midrange Systems Technical Discussion
<midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Question on effectiveness of additional processors

CAUTION: This email originated from outside of the organization. Do not
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I am looking at adding Flash disk to the system and creating 2 more
LPARS.
So the question is would it be of benefit there.
Darryl.

On Wed, Sep 28, 2022 at 1:49 PM a4g atl <a4ginatl2@xxxxxxxxx> wrote:

@Dawn, I attended the conference earlier this year so unfortunately, I
won;t be able to attend this one. I'd love to though.
Darryl.


On Wed, Sep 28, 2022 at 1:37 PM Dawn May <dawnmayican@xxxxxxxxxxx>
wrote:

<speaker advertisement>

For anyone attending NAViGATE and interested in performance, I have a
session “Understand your IBM i Performance Signature” where I explain
how
to use the performance data investigator and what the charts tell
you.
Collection Services data can tell you a lot about what resources are
constrained and where you can benefit from hardware upgrades.
It can also show you if you have contention or scaling issues -
throwing
hardware at a system with contention issues won’t help.

</speaker advertisement>

Dawn


On Sep 28, 2022, at 1:09 PM, MidrangeL
<midrangel@xxxxxxxxxxxxxxxxx>
wrote:

That answer is: "it depends"

Is the system processor constrained? IE: is the CPU % at or near
90%
during peak times? Is there latent demand that is only met after a
period
of waiting?
Is the system memory constrained? Are paging and faulting levels
high
enough that the system spends quite a bit of resource moving memory
around?
Is the system I/O constrained? Is the system waiting for I/O
operations to complete before moving on to the next task? Look at
Disk
busy during peak loads.

Each of those questions can be answered by the performance tools,
which
will then guide you where to spend your money. Adding a core will
most
likely improve system responsiveness either way since I/O and Memory
also
include using system resources to maximize them, but that may not be
the
root cause of the performance issue.

Check out Dawn May's blogs regarding using the performance tools to
diagnose the problem. Then you will spend the correct money on the
correct
thing. Don't know how to use the tools; get your business partner or
an
independent consultant to look at it. IBM will do it as well via the
Lab
Services Group.


--
Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects


------ Original Message ------
From "a4g atl" <a4ginatl2@xxxxxxxxx>
To "midrange-l@xxxxxxxxxxxxxxxxxx" <midrange-l@xxxxxxxxxxxxxxxxxx>
Date 9/28/2022 11:57:12 AM
Subject Question on effectiveness of additional processors

How effective are additional processors on the system.

We have a Power8 with 1 processor activated.
If we activate another processor or 2, what benefits should I see?
I have heard that the additional processor will not make much
difference,
so why would IBM provide for additional processors?

What am I missing?

TIA, Darryl Freinkel.
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