[cisco-voip] CPU Reservations

[Ryan Huff]

People view dial tone as if it were in the US Bill of Rights. Let it not be there when expected and see what happens. It’s a fascinating social experience.

Sent from my iPhone

On Jul 10, 2019, at 10:47, Lelio Fulgenzi <lelio at uoguelph.ca<mailto:lelio at uoguelph.ca>> wrote:

My answer back to them is this most of the time:

Me: “Please pick up your phone.”
Them: (they pick up their phone)
Me: “What did you hear?”
Them: “Dial Tone”
Me: _That’s_ why we need resource reservation.

And then I go on to ask them how they’d feel if that dial tone or other features were delayed by a ½ second? 1 second? 2 seconds?

They’re still not happy, but they begin to get the picture.

Of course, my example may not be the best example, but it gets the message across.




---
Lelio Fulgenzi, B.A. | Senior Analyst
Computing and Communications Services | University of Guelph
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From: Palmer, Brian <Brian.Palmer at bcbsfl.com<mailto:Brian.Palmer at bcbsfl.com>>
Sent: Wednesday, July 10, 2019 9:35 AM
To: Lelio Fulgenzi <lelio at uoguelph.ca<mailto:lelio at uoguelph.ca>>; Wes Sisk (wsisk) <wsisk at cisco.com<mailto:wsisk at cisco.com>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Pawlowski, Adam <ajp26 at buffalo.edu<mailto:ajp26 at buffalo.edu>>
Subject: RE: [cisco-voip] CPU Reservations

The VM team here when I told them we had to have resource reservation and no oversubscription always complain.  “Your servers don’t consume anywhere near that capacity I can show you the performance stats”  “Every vendor asks for resource reservation that comes in”

That is what I always hear from them.

Brian Palmer    | VoiceOps | DC6 3 355
904-905-8263  |  Internal Ext: 58263

From: cisco-voip <cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>> On Behalf Of Lelio Fulgenzi
Sent: Monday, July 8, 2019 10:42 PM
To: Wes Sisk (wsisk) <wsisk at cisco.com<mailto:wsisk at cisco.com>>
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; Pawlowski, Adam <ajp26 at buffalo.edu<mailto:ajp26 at buffalo.edu>>
Subject: Re: [cisco-voip] CPU Reservations



“ccm.bin at its core is a distributed real time state machine.”

^^^ this ^^^

This is what I try to tell people when they tell me that they can run 50 machines on the same boxes that I run 10.

And they _still_ don’t get it.


-sent from mobile device-

Lelio Fulgenzi, B.A. | Senior Analyst
Computing and Communications Services | University of Guelph
Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON | N1G 2W1<x-apple-data-detectors://1/0>
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On Jul 8, 2019, at 7:38 PM, Wes Sisk (wsisk) via cisco-voip <cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>> wrote:
ccm.bin at its core is a distributed real time state machine.

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