Greetings Phil,
I have a light hearted dialect question:
In '86 land the OS, say Linux, essentially eats all the memory, and makes
it virtual (as opposed to virtuous :^). The OS then allocates what it can
to the docker engine.
In zVM land you have a kick ass memory manager that essentially lies to
each Virtual Machine and tells it that the memory limit is in the Exabytes
(gee, I love that word :^). The guest operating system on the Virtual
Machine in turn uses this lie to set the limit the docker engine can
operate a docker instance based upon the lie it got from zVM.
Kinda makes you wonder how hard it would be to make the docker engine talk
directly to zVM and get the lie directly from the lier...
If I had a zVM account somewhere or an emulator that legally ran the
current zVM I could look into this, right now I just want to know if I am
following the your issue correctly. I likely need to find out more about
docker clusters, but right now I have a hunch the answer to better
clustering is on the zVM side.
Sincerely,
Flint
On Tue, 25 Oct 2016, PHILIP TULLY wrote:
Date: Tue, 25 Oct 2016 16:29:07 -0400
From: PHILIP TULLY <[email protected]>
Reply-To: Linux on 390 Port <[email protected]>
To: [email protected]
Subject: Docker on Z
We are looking to implement Docker on Z, as we have begun the testing
part of the issue is to be able to grow a docker engine and growing it
dynamically based on it's current needs especially when a node in the
Docker cluster fails.
So the question is does anyone see a way for the VM system to see the
memory resource grow, which would allow me to add more dynamically.
phil
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Kindest Regards,
☮ Paul Flint
(802) 479-2360 Home
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