[Bug 1244464] Re: cinder backup should use pipe for diff transfer

[Edward Hope-Morley]

** Changed in: cinder (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1244464

Title:
  cinder backup should use pipe for diff transfer

Status in Cinder:
  Fix Released
Status in Cinder havana series:
  Fix Released
Status in cinder package in Ubuntu:
  Fix Released

Bug description:
  When the cinder ceph backup driver attempts a differential transfer,
  the diff is held in memory. This will rapidly become a problem e.g.
  for bootable volumes, resulting in memory allocation errors.

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