Public bug reported:
version:master
problem:
NUMATopologyFilter fail when only one node has sibling while host has two node
when cpu_thread_policy is require.
for example:
host has cpu info:
NUMA node0 CPU(s): 0-3,8-11
NUMA node1 CPU(s): 4-7,12-15
If vcpu_pin_set is 0-3,8-11, we can not boot instance with "hw:cpu_policy":
"dedicated", "hw:cpu_thread_policy": "require" with NUMATopologyFilter in
default_filters, and NUMATopologyFilter will fail for node 2 has no sibling.
The log info:
host fails CPU policy requirements. Host does not have hyperthreading or
hyperthreading is disabled, but 'require' threads policy was requested.
** Affects: nova
Importance: Undecided
Assignee: liuxiuli (liu-lixiu)
Status: New
** Changed in: nova
Assignee: (unassigned) => liuxiuli (liu-lixiu)
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https://bugs.launchpad.net/bugs/1599411
Title:
NUMATopologyFilter fail when only one node has sibling while host has
two node when cpu_thread_policy is require.
Status in OpenStack Compute (nova):
New
Bug description:
version:master
problem:
NUMATopologyFilter fail when only one node has sibling while host has two
node when cpu_thread_policy is require.
for example:
host has cpu info:
NUMA node0 CPU(s): 0-3,8-11
NUMA node1 CPU(s): 4-7,12-15
If vcpu_pin_set is 0-3,8-11, we can not boot instance with "hw:cpu_policy":
"dedicated", "hw:cpu_thread_policy": "require" with NUMATopologyFilter in
default_filters, and NUMATopologyFilter will fail for node 2 has no sibling.
The log info:
host fails CPU policy requirements. Host does not have hyperthreading or
hyperthreading is disabled, but 'require' threads policy was requested.
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