This has been fixed by some of the work to move nova-net to objects.
** Changed in: nova
Status: Triaged => Fix Released
** Changed in: nova
Assignee: (unassigned) => Dan Smith (danms)
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https://bugs.launchpad.net/bugs/1257788
Title:
nova-network doesn't handle large amount of concurrent booting
instances well
Status in OpenStack Neutron (virtual network service):
Invalid
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
As seen by the large-ops test nova-network has trouble booting 150 VMs
concurrently. Part of the problem is that setting up the network for
each instance is relatively expensive with many locks and root-wrapped
calls. Both of which significantly hurt performance. One possible fix
would be to do more bulk network operations when possible, so instead
of 100 separate calls to a root-wrapped tool call it once.
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