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[sahid <sferdjao@xxxxxxxxxx>]

Public bug reported:

libvirt allows to configure the disk IO policy with io=native or
io=threads which according this email clearly improves performance:

https://www.redhat.com/archives/libvirt-users/2011-June/msg00004.html

We should give the possibility to configure this as we do for
disk_cachemode

** Affects: nova
     Importance: Wishlist
     Assignee: sahid (sahid-ferdjaoui)
         Status: In Progress


** Tags: libvirt

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https://bugs.launchpad.net/bugs/1399573

Title:
  allows to configure disk driver IO policy

Status in OpenStack Compute (Nova):
  In Progress

Bug description:
  libvirt allows to configure the disk IO policy with io=native or
  io=threads which according this email clearly improves performance:

  https://www.redhat.com/archives/libvirt-users/2011-June/msg00004.html

  We should give the possibility to configure this as we do for
  disk_cachemode

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