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[Joe Gordon <1314923@xxxxxxxxxxxxxxxxxx>]

nova baremetal is being deprecated in favor of ironic, so we prefer to
put improvements like these into ironic and not nova-baremetal

** Changed in: nova
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1314923

Title:
  large IO contention  on nova-baremetal as no image caching

Status in OpenStack Compute (Nova):
  Opinion

Bug description:
  When using Nova bare-metal we see large disk I/O waiting on image
  download from Glace. This is seen when we have multiple nodes running
  the same images which use large amount of disk space even if the same
  image is used. This is especially true for the ram disk that is used
  for initial node boot which is common to all system images.

  This is a common use case when developing in Tripleo. Even though
  Ironic is the target technology for Tripleo it dose not have all
  required features yet.

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