[Openstack] [openstack][nova] Compute node update interval

Steve Gordon sgordon at redhat.com
Thu Jun 26 19:28:27 UTC 2014


----- Original Message -----
> From: "Kai Brennenstuhl" <kai.brennenstuhl at gmail.com>
> To: openstack at lists.openstack.org
> Sent: Thursday, June 26, 2014 8:56:20 AM
> Subject: [Openstack] [openstack][nova] Compute node update interval
> 
> Hi,
> 
> how can I specify the interval in which the (free) resources of my compute
> nodes are updated and written into the DB?
> I looked into nova.conf doc and already changed the following attributes:
> 
> heal_instance_info_cache_interval = 20
> service_down_time = 20
> periodic_fuzzy_delay = 20
> qpid_heartbeat = 20
> scheduler_driver_task_period = 20
> 
> call_timeout = 20
> db_check_interval = 20
> 
> But the update interval in which the resources are written into the
> database still is about one minute.
> 
> Which parameters should I change? Or is this configuration done somewhere
> else than in nova.conf?

Hi Kai,

I think you are after the report_interval [1], although the default is actually 10 seconds.

Thanks,

Steve

[1] http://docs.openstack.org/trunk/config-reference/content/list-of-compute-config-options.html




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