Public bug reported:
(OpenStack 14)
After changing the value of cpu_allocation_ratio in nova.conf from 16 to
1 and restarting nova containers, the ProviderTree still uses the old
value
(A patch with extra debugging is applied to the system for ProviderTree
information)
Nova.conf setting:
cpu_allocation_ratio=1
[root@compute-0 ~]# docker restart nova_compute nova_libvirt
nova_compute
nova_libvirt
Inside Nova-compute.log
2018-10-23 19:19:49.217 1 DEBUG oslo_service.service [req-9539f623-b342
-4c5d-ab93-6ffacdbd8358 - - - - -] cpu_allocation_ratio = 1.0
log_opt_values /usr/lib/python2.7/site-packages/oslo_config/cfg.py:3023
2018-10-23 19:19:51.990 1 DEBUG nova.scheduler.client.report
[req-9490c7f4-2157-44ef-a81c-ea3e6bf9be21 - - - - -] Updating ProviderTree
inventory for provider ca60934d-074d-4628-ae61-3c3bbc9e5543 from
_refresh_and_get_inventory using data: {u'VCPU': {u'allocation_ratio': 16.0,
u'total': 6, u'reserved': 0, u'step_size': 1, u'min_unit': 1, u'max_unit': 6},
u'MEMORY_MB': {u'allocation_ratio': 1.0, u'total': 6143, u'reserved': 4096,
u'step_size': 1, u'min_unit': 1, u'max_unit': 6143}, u'DISK_GB':
{u'allocation_ratio': 1.0, u'total': 19, u'reserved': 0, u'step_size': 1,
u'min_unit': 1, u'max_unit': 19}} _refresh_and_get_inventory
/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py:754
2018-10-23 19:19:51.990 1 DEBUG nova.compute.provider_tree
[req-9490c7f4-2157-44ef-a81c-ea3e6bf9be21 - - - - -] Updating inventory in
ProviderTree for provider ca60934d-074d-4628-ae61-3c3bbc9e5543 with inventory:
{u'VCPU': {u'allocation_ratio': 16.0, u'total': 6, u'reserved': 0,
u'step_size': 1, u'min_unit': 1, u'max_unit': 6}, u'MEMORY_MB':
{u'allocation_ratio': 1.0, u'total': 6143, u'reserved': 4096, u'step_size': 1,
u'min_unit': 1, u'max_unit': 6143}, u'DISK_GB': {u'allocation_ratio': 1.0,
u'total': 19, u'reserved': 0, u'step_size': 1, u'min_unit': 1, u'max_unit':
19}} update_inventory
/usr/lib/python2.7/site-packages/nova/compute/provider_tree.py:172
** Affects: nova
Importance: Undecided
Status: New
** Description changed:
+ (OpenStack 14)
+
After changing the value of cpu_allocation_ratio in nova.conf from 16 to
1 and restarting nova containers, the ProviderTree still uses the old
value
(A patch with extra debugging is applied to the system for ProviderTree
information)
Nova.conf setting:
cpu_allocation_ratio=1
-
[root@compute-0 ~]# docker restart nova_compute nova_libvirt
nova_compute
nova_libvirt
-
Inside Nova-compute.log
2018-10-23 19:19:49.217 1 DEBUG oslo_service.service [req-9539f623-b342
-4c5d-ab93-6ffacdbd8358 - - - - -] cpu_allocation_ratio = 1.0
log_opt_values /usr/lib/python2.7/site-packages/oslo_config/cfg.py:3023
2018-10-23 19:19:51.990 1 DEBUG nova.scheduler.client.report
[req-9490c7f4-2157-44ef-a81c-ea3e6bf9be21 - - - - -] Updating ProviderTree
inventory for provider ca60934d-074d-4628-ae61-3c3bbc9e5543 from
_refresh_and_get_inventory using data: {u'VCPU': {u'allocation_ratio': 16.0,
u'total': 6, u'reserved': 0, u'step_size': 1, u'min_unit': 1, u'max_unit': 6},
u'MEMORY_MB': {u'allocation_ratio': 1.0, u'total': 6143, u'reserved': 4096,
u'step_size': 1, u'min_unit': 1, u'max_unit': 6143}, u'DISK_GB':
{u'allocation_ratio': 1.0, u'total': 19, u'reserved': 0, u'step_size': 1,
u'min_unit': 1, u'max_unit': 19}} _refresh_and_get_inventory
/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py:754
2018-10-23 19:19:51.990 1 DEBUG nova.compute.provider_tree
[req-9490c7f4-2157-44ef-a81c-ea3e6bf9be21 - - - - -] Updating inventory in
ProviderTree for provider ca60934d-074d-4628-ae61-3c3bbc9e5543 with inventory:
{u'VCPU': {u'allocation_ratio': 16.0, u'total': 6, u'reserved': 0,
u'step_size': 1, u'min_unit': 1, u'max_unit': 6}, u'MEMORY_MB':
{u'allocation_ratio': 1.0, u'total': 6143, u'reserved': 4096, u'step_size': 1,
u'min_unit': 1, u'max_unit': 6143}, u'DISK_GB': {u'allocation_ratio': 1.0,
u'total': 19, u'reserved': 0, u'step_size': 1, u'min_unit': 1, u'max_unit':
19}} update_inventory
/usr/lib/python2.7/site-packages/nova/compute/provider_tree.py:172
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https://bugs.launchpad.net/bugs/1799727
Title:
CPU_Allocation_Ratio from nova.conf doesn't update exisiting providers
Status in OpenStack Compute (nova):
New
Bug description:
(OpenStack 14)
After changing the value of cpu_allocation_ratio in nova.conf from 16
to 1 and restarting nova containers, the ProviderTree still uses the
old value
(A patch with extra debugging is applied to the system for
ProviderTree information)
Nova.conf setting:
cpu_allocation_ratio=1
[root@compute-0 ~]# docker restart nova_compute nova_libvirt
nova_compute
nova_libvirt
Inside Nova-compute.log
2018-10-23 19:19:49.217 1 DEBUG oslo_service.service [req-
9539f623-b342-4c5d-ab93-6ffacdbd8358 - - - - -] cpu_allocation_ratio
= 1.0 log_opt_values /usr/lib/python2.7/site-
packages/oslo_config/cfg.py:3023
2018-10-23 19:19:51.990 1 DEBUG nova.scheduler.client.report
[req-9490c7f4-2157-44ef-a81c-ea3e6bf9be21 - - - - -] Updating ProviderTree
inventory for provider ca60934d-074d-4628-ae61-3c3bbc9e5543 from
_refresh_and_get_inventory using data: {u'VCPU': {u'allocation_ratio': 16.0,
u'total': 6, u'reserved': 0, u'step_size': 1, u'min_unit': 1, u'max_unit': 6},
u'MEMORY_MB': {u'allocation_ratio': 1.0, u'total': 6143, u'reserved': 4096,
u'step_size': 1, u'min_unit': 1, u'max_unit': 6143}, u'DISK_GB':
{u'allocation_ratio': 1.0, u'total': 19, u'reserved': 0, u'step_size': 1,
u'min_unit': 1, u'max_unit': 19}} _refresh_and_get_inventory
/usr/lib/python2.7/site-packages/nova/scheduler/client/report.py:754
2018-10-23 19:19:51.990 1 DEBUG nova.compute.provider_tree
[req-9490c7f4-2157-44ef-a81c-ea3e6bf9be21 - - - - -] Updating inventory in
ProviderTree for provider ca60934d-074d-4628-ae61-3c3bbc9e5543 with inventory:
{u'VCPU': {u'allocation_ratio': 16.0, u'total': 6, u'reserved': 0,
u'step_size': 1, u'min_unit': 1, u'max_unit': 6}, u'MEMORY_MB':
{u'allocation_ratio': 1.0, u'total': 6143, u'reserved': 4096, u'step_size': 1,
u'min_unit': 1, u'max_unit': 6143}, u'DISK_GB': {u'allocation_ratio': 1.0,
u'total': 19, u'reserved': 0, u'step_size': 1, u'min_unit': 1, u'max_unit':
19}} update_inventory
/usr/lib/python2.7/site-packages/nova/compute/provider_tree.py:172
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