Public bug reported:
'nova-manage cell_v2 discover_hosts' usage should not be needed,
the compute nodes at start up time could ask for registration
and not repeat it during the n-cpu process lifetime.
In case of you have 30k compute node and restarting
them every two week in average, it would generate
~ 0.03 avg. request per sec.
I do not see why it is mandatory to use
nova-manage cell_v2 discover_hosts or
[scheduler]
discover_hosts_in_cells_interval = 300
even in a small deployment.
** Affects: nova
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1820851
Title:
Please do cell mapping without periodic task or active admin
involvment
Status in OpenStack Compute (nova):
New
Bug description:
'nova-manage cell_v2 discover_hosts' usage should not be needed,
the compute nodes at start up time could ask for registration
and not repeat it during the n-cpu process lifetime.
In case of you have 30k compute node and restarting
them every two week in average, it would generate
~ 0.03 avg. request per sec.
I do not see why it is mandatory to use
nova-manage cell_v2 discover_hosts or
[scheduler]
discover_hosts_in_cells_interval = 300
even in a small deployment.
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