I think the immediate solution would be to just set cpu_allocation_ratio
to 16.0 in the nova.CONF that your CI system is using.
Best,
-jay
On 08/29/2018 05:26 AM, Naichuan Sun wrote:
Hi, Eric and Jay,
The VCPU/Disk/RAM allocation ratio are set to 0.0 by default, and resource
tracker would reset it to valid values in
https://github.com/openstack/nova/blob/master/nova/objects/compute_node.py#L199.
But it looks the value is set back to 0.0 by some function(I'm not sure who
does it...), so xenserver CI is broken. Any suggestion about that?
Looks libvirt works well, do they set allocation ratio in the configure file?
Thank you very much.
BR.
Naichuan Sun
-----Original Message-----
From: Naichuan Sun
Sent: Wednesday, August 29, 2018 7:00 AM
To: OpenStack Development Mailing List (not for usage questions)
<openstack-dev@lists.openstack.org>
Subject: RE: [openstack-dev] [nova] [placement] XenServer CI failed frequently
because of placement update
Thank you very much for the help, Bob, Jay and Eric.
Naichuan Sun
-----Original Message-----
From: Bob Ball [mailto:bob.b...@citrix.com]
Sent: Wednesday, August 29, 2018 12:22 AM
To: OpenStack Development Mailing List (not for usage questions)
<openstack-dev@lists.openstack.org>
Subject: Re: [openstack-dev] [nova] [placement] XenServer CI failed frequently
because of placement update
Yeah, the nova.CONF cpu_allocation_ratio is being overridden to 0.0:
The default there is 0.0[1] - and the passing tempest-full from Zuul on
https://review.openstack.org/#/c/590041/ has the same line when reading the
config[2]:
We'll have a dig to see if we can figure out why it's not defaulting to 16 in
the ComputeNode.
Thanks!
Bob
[1] https://git.openstack.org/cgit/openstack/nova/tree/nova/conf/compute.py#n386
[2]
http://logs.openstack.org/41/590041/17/check/tempest-full/b3f9ddd/controller/logs/screen-n-cpu.txt.gz#_Aug_27_14_18_24_078058
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