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[Launchpad Bug Tracker <1279334@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1279334

Title:
  optimise dhcp spawning performance

Status in neutron:
  Expired

Bug description:
  Some methods iterate over the same network ports list 3 times in
  neutron/agent/linux/dhcp.py just to spawn a unique dnsmasq instance,
  and potentially a network may have thousands of ports, so this adds a
  lot of processing overhead.

  For a mater of performance, some re-factoring in order to iterate only
  once  to generate all dnsmasq's configuration files (hosts, addn-
  hosts, etc) is required.

  See Armando Migliaccio's comment in Patch Set 21 of
  https://review.openstack.org/#/c/52930/ for more details.

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