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[OpenStack Infra <1786346@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/590538
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=411c45842f6b4bef21710b4d7fa2f473976bc566
Submitter: Zuul
Branch:    master

commit 411c45842f6b4bef21710b4d7fa2f473976bc566
Author: Dan Smith <dansmith@xxxxxxxxxx>
Date:   Thu Aug 9 14:37:28 2018 -0700

    Revert "libvirt: slow live-migration to ensure network is ready"
    
    This reverts commit 8e6d5d404cf49e5b68b43c62e7f6d7db2771a1f4.
    
    As detailed in the bug, this is overly racy, waiting for the event
    potentially a long ways (and a couple RPC calls) away from where
    the event will be triggered. The compute manager now has a generic
    mechanism to do this which conflicts and replaces this functionality,
    if enabled (default is off in Rocky, to be defaulted to on in Stein).
    
    Conflicts:
    	nova/tests/unit/virt/libvirt/test_driver.py
    	nova/virt/libvirt/driver.py
    
    Change-Id: Ibf2b5eeafd962e93ae4ab6290015d58c33024132
    Closes-Bug: #1786346


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1786346

Title:
  live migrations slow

Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) pike series:
  Confirmed
Status in OpenStack Compute (nova) queens series:
  Confirmed
Status in OpenStack Compute (nova) rocky series:
  Confirmed

Bug description:
  This is on pike with ff747792b8f5aefe1bebb01bdf49dacc01353348 (on
  b58c7f033771e3ea228e4b40c796d1bc95a087f5 to be percice).  Live
  migrations seem to be stuck at 1MiB/s for linuxbridge VMs.  The code
  actually looks like it should fail with a timeout (never see the
  network interface created debug message), not sure why it succeeds.

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