I agree that getting an exact 100% average over multiple minutes is going to be
somewhat unlikely. But we can get close.
From RMF's Partition Data Report:
--- PHYSICAL PROCESSORS ---
LPAR MGMT EFFECTIVE TOTAL
0.02 8.60 8.62
0.12 78.81 78.93
0.05 11.53 11.58
Ted MacNEIL wrote:
I've worked for a bank and a wholesaler that both routinely ran at 100%.
Service levels were met, but people were always griping about the usage.
As John said, no harm no foul.
Agreed.
Over the years we see the CPU Utilization graphs as follow (from midnight to
next
I used to work at an insurance company that refused to add capacity. When we
ran quarterly processing, later changed to monthly processing, the machine was
pegged for a day or two. We couldn't do any testing because production sucked
up all of the resources. The processor and software
I would add: and test work suffered because your goals were set so. z/OS will
always do what you tell it to do b.m.o. your goal definitions.
This is quite different from other platforms, that already start doing
problematic above 30%. I have seen Linux machines being reboot, because even
the
Interesting: I suspect that nowadays the words only testing or only
development will play differently. It's my contention that increasingly
getting function out the door is part of a company's attempt to compete.
I wonder how many companies will be able to defer Development / Test going
I'm not sure we have a white paper. Will one of our announcement
letters do?
z/OS V2.1 is designed to allow System z servers to run at utilization
levels as high as 100%.
From
On Wed, 7 May 2014 10:47:49 -0400, John Eells wrote:
http://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/8/649/ENUSA13-0568/index.htmllang=enrequest_locale=null
A Long Time Ago in a Data Center Far, Far Away (well, OK, just down the
road from Poughkeepsie in East Fishkill), we
I've worked for a bank and a wholesaler that both routinely ran at 100%.
Service levels were met, but people were always griping about the usage.
As John said, no harm no foul.
-
-teD
-
Original Message
From: John Eells
Sent: Wednesday, May 7, 2014 10:48
To: IBM-MAIN@LISTSERV.UA.EDU
Reply
eamacn...@yahoo.ca (Ted MacNEIL) writes:
From
http://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/8/649/ENUSA13-0568/index.htmllang=enrequest_locale=null
A Long Time Ago in a Data Center Far, Far Away (well, OK, just down the
road from Poughkeepsie in East Fishkill), we
On Wed, 7 May 2014 10:47:49 -0400, John Eells wrote:
I'm not sure we have a white paper.
I would think a search of Techdocs for Kathy Walsh would be a good start.
But of course we need to define whose 100% we're talking about. z/OS has a
peculiar notion of CPU% - more so in virtualised
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