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[Eugene Nikanorov <enikanorov@xxxxxxxxxxxx>]

Setting as Invalid for neutron since the bug description doesn't provide
exact issues encountered.

** Changed in: neutron
       Status: Triaged => Invalid

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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):
  Triaged

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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