Switch scheduler drivers to load based schedulers
Cloud deployed at scale most likely will use these scheduler drivers because they allow a fairer resource allocation compared to chance schedulers (which randomly place resources on the hosts). Because of their importance, it's only wise to test them in the gate on a continuous basis, so that we do not get surprised by accidental regressions. Rather than pushing this down through devstack-gate/project-config patches, this chance alters the default of the scheduler drivers, so that users can also pick these up out of the box. This means that after an upgrade they would observe a change in the scheduling behavior, if they relied on the default config. DocImpact UpgradeImpact Closes-bug: #1494667 Change-Id: I5927914cb88eff66bc7a045340ff68cb8da95ad6
This commit is contained in:
parent
0bc5c1ec4e
commit
e5f635ee4f
|
@ -190,9 +190,9 @@
|
|||
|
||||
# =========== items for agent scheduler extension =============
|
||||
# Driver to use for scheduling network to DHCP agent
|
||||
# network_scheduler_driver = neutron.scheduler.dhcp_agent_scheduler.ChanceScheduler
|
||||
# network_scheduler_driver = neutron.scheduler.dhcp_agent_scheduler.WeightScheduler
|
||||
# Driver to use for scheduling router to a default L3 agent
|
||||
# router_scheduler_driver = neutron.scheduler.l3_agent_scheduler.ChanceScheduler
|
||||
# router_scheduler_driver = neutron.scheduler.l3_agent_scheduler.LeastRoutersScheduler
|
||||
# Driver to use for scheduling a loadbalancer pool to an lbaas agent
|
||||
# loadbalancer_pool_scheduler_driver = neutron.services.loadbalancer.agent_scheduler.ChanceScheduler
|
||||
|
||||
|
|
|
@ -40,7 +40,7 @@ LOG = logging.getLogger(__name__)
|
|||
AGENTS_SCHEDULER_OPTS = [
|
||||
cfg.StrOpt('network_scheduler_driver',
|
||||
default='neutron.scheduler.'
|
||||
'dhcp_agent_scheduler.ChanceScheduler',
|
||||
'dhcp_agent_scheduler.WeightScheduler',
|
||||
help=_('Driver to use for scheduling network to DHCP agent')),
|
||||
cfg.BoolOpt('network_auto_schedule', default=True,
|
||||
help=_('Allow auto scheduling networks to DHCP agent.')),
|
||||
|
|
|
@ -42,7 +42,8 @@ LOG = logging.getLogger(__name__)
|
|||
|
||||
L3_AGENTS_SCHEDULER_OPTS = [
|
||||
cfg.StrOpt('router_scheduler_driver',
|
||||
default='neutron.scheduler.l3_agent_scheduler.ChanceScheduler',
|
||||
default='neutron.scheduler.l3_agent_scheduler.'
|
||||
'LeastRoutersScheduler',
|
||||
help=_('Driver to use for scheduling '
|
||||
'router to a default L3 agent')),
|
||||
cfg.BoolOpt('router_auto_schedule', default=True,
|
||||
|
|
Loading…
Reference in New Issue