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[Launchpad Bug Tracker <1327776@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/1327776

Title:
  Logging performance improvment

Status in neutron:
  Expired

Bug description:
  We have the log decorator that is used in diffrent modules:
  https://github.com/openstack/neutron/blob/master/neutron/common/log.py

  We can add a check and see if the log is going to be written before we
  call it.

  def log(method):
      """Decorator helping to log method calls."""
      def wrapper(*args, **kwargs):
          if LOG.isEnabledFor(logging.DEBUG):
              instance = args[0]
              data = {"class_name": (instance.__class__.__module__ + '.'
                                     + instance.__class__.__name__),
                      "method_name": method.__name__,
                      "args": args[1:], "kwargs": kwargs}
              LOG.debug(_('%(class_name)s method %(method_name)s'
                          ' called with arguments %(args)s %(kwargs)s'), data)
          return method(*args, **kwargs)
      return wrapper

  
  See: https://docs.python.org/2/library/logging.html#logging.Logger.isEnabledFor

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