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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/1330562

Title:
  Remove SELECT ... FOR UPDATE usage from ML2 type drivers

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  MySQL Galera does not support SELECT ... FOR UPDATE[1], since it has
  no concept of cross-node locking of records and results are non-
  deterministic.

  We should prefer to avoid SELECT ... FOR UPDATE (sqlalchemy
  with_lockmode method)

  
  [1]http://lists.openstack.org/pipermail/openstack-dev/2014-May/035264.html

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