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[Bug 1214879] Re: Avoid extra query when loading mac learning binding

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 05 Sep 2013 15:52:55 -0000
Reply-to: Bug 1214879 <1214879@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

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https://bugs.launchpad.net/bugs/1214879

Title:
  Avoid extra query when loading mac learning binding

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

Bug description:
  The nicira plugin supports the 'mac learning' extension, and for this
  it performs an extra db query for each element being retrieved by the
  get_ports operation.

  Using similar technicques adopted for other API extensions, this extra
  query, which negatively impacts performance and scalability, should be
  removed.

  This bug affects only the nicira plugin.

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