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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: neutron
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1095346

Title:
  Excessive CPU usage in ProcessLauncher()'s wait loop

Status in OpenStack Neutron (virtual network service):
  Fix Released
Status in Oslo - a Library of Common OpenStack Code:
  Fix Released

Bug description:
  See https://review.openstack.org/18689 for some background

  We can't use os.wait() to block until a child exited so, instead,
  we're busy-looping

  We should be able to come up with another way of doing this - e.g.
  using pipes provided to each child to give us a selectable handle we
  can block on

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