The dead giveaway (IMHO):
DAVID JONES
MANAGING DIRECTOR FOR ZSYSTEMS SERVICES
z/VM, Linux, and Cloud
All right, so take a bucket of salt as you read the below as it qualifies
as a WAG (and not a SWAG).
And, yes, my tongue is firmly planted in my cheek as I keyboarded the
below. I cope with stress via levity and seldom hesitate to inflict it
upon all those around me, for I also suffer from ADD2 ("Audience Deficit
Disorder") and I seem to "share" the suffering. :-) :-) :-)
The "z/VM" in his title makes me think "z/VM overcommitment".
What was the experiment's name when David Boyes did the 44K Linux
instances? On an S/390 (31bit)?
As magical (after all, for some, IBM is a TLA for "I Bring Magic") as z/VM
may appear, it is merely "advanced technology" and the virtual instances
may _seem_ real... but they're not. There's always a trade-off.
"You get what you pay for... and, if you really think you came out ahead,
you'll pay for what you got, though the currency may not be in dollars and
cents." - me
Heinlein provided guidance, too: "There Ain't No Such Thing As A Free
Lunch". The uptake of Linux make some folks think there's a free lunch but
there are other costs; some costs may be invisible.
[HUMOR]
Mind you, I've come to the conclusion, perhaps simplistically due to my
observational angle, many bean-counters seem to confuse brownian motion for
progress.
[/HUMOR]
I've also got some Foxworthy-ish routines; When working for IBM in Tampa
I've worked with folks who remembered when Jeff Foxworthy was employed by
IBM.
(smirks)
-soup
On Thu, Apr 19, 2018 at 11:35 AM, Christian Borntraeger <
[email protected]> wrote:
> On 04/19/2018 04:56 PM, Dave Jones wrote:
> > Thanks to all who responded to my query. At least we now know why the
> > problem is occurring, and we will try some internal z/linux tuning.
> >
>
> Anything useful that can be shared with the list?
>
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>
--
John R. Campbell Speaker to Machines souperb at gmail dot
com
MacOS X proved it was easier to make Unix user-friendly than to fix Windows
"It doesn't matter how well-crafted a system is to eliminate errors;
Regardless
of any and all checks and balances in place, all systems will fail because,
somewhere, there is meat in the loop." - me
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For LINUX-390 subscribe / signoff / archive access instructions,
send email to [email protected] with the message: INFO LINUX-390 or visit
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For more information on Linux on System z, visit
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