** Changed in: nova
Status: Fix Committed => Fix Released
** Changed in: nova
Milestone: None => kilo-3
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1363119
Title:
nova messaging queues slow in idle cluster
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
Each running nova-network service periodically calls
fixed_ip_disassociate_all_by_timeout(). This searches all fixed ips,
filtering on multiple columns. With a large number of fixed_ips, each
call to this function can take several seconds to complete. With many
hosts running nova-network, a cluster with little to no activity can
experience prolonged delays in message processing, eventually
rendering some or all hosts unresponsive to nova commands (boot
instance, etc). The only column referenced in that query that is not
represented in any existing index is updated_at; a new index including
fixed_ips.updated_at is probably called for.
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