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[Launchpad Bug Tracker <1559978@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/1559978

Title:
  log segmentation_id over threshold for monitoring

Status in neutron:
  Expired

Bug description:
  Use case
  =======
  Monitoring of the "segmentation resources".

  Logging the status of such resources as we go, (or the pass over a certain threshold) would allow monitoring solutions to identify tripping over
  certain levels, and warn the administrator to take action: cleaning up
  unused tenant networks, changing configuration, changing segmentation
  technologies. etc.

  Description
  =========
  Depending on configuration, and underlaying technologies, the segmentation
  ids can be exhausted (vlan/vni/tunnel keys, etc..), making it a consumable
  resource.

  External monitoring solutions have no easy way to determine the amount of
  "segmentation resources" available on the underlaying resource technology.

  Alternatives
  ==========
  One alternative could be providing a generic API to retrieve the usage of
  resources. That would require the monitoring solution to make API calls
  and therefore use credentials, making it harder to leverage standard
  deployments and monitoring tools. This could also be considered as a second
  step of this RFE.

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