[Qemu-devel] [Bug 524447] Re: virsh save is very slow

[Michael Tokarev]

I see activity around this bug is going on and on, but I don't understand -- is 
the talk about this patch --
http://anonscm.debian.org/gitweb/?p=collab-maint/qemu-kvm.git;a=commit;h=7e32b4ca0ea280a2e8f4d9ace1a15d5e633d9a95

?

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https://bugs.launchpad.net/bugs/524447

Title:
  virsh save is very slow

Status in libvirt virtualization API:
  Unknown
Status in QEMU:
  Fix Released
Status in “libvirt” package in Ubuntu:
  Invalid
Status in “qemu-kvm” package in Ubuntu:
  Fix Released
Status in “libvirt” source package in Lucid:
  Won't Fix
Status in “qemu-kvm” source package in Lucid:
  Won't Fix
Status in “libvirt” source package in Maverick:
  Won't Fix
Status in “qemu-kvm” source package in Maverick:
  Won't Fix

Bug description:
  ==================================
  SRU Justification:
  1. impact: 'qemu save' is slow
  2. how addressed: a patch upstream fixes the case when a file does not 
announce when it is ready.
  3. patch: see the patch in linked bzr trees
  4. TEST CASE: see comment #4 for a specific recipe
  5. regression potential:  this patch only touches the vm save path.
  ==================================

  As reported here: http://www.redhat.com/archives/libvir-
  list/2009-December/msg00203.html

  "virsh save" is very slow - it writes the image at around 1MB/sec on
  my test system.

  (I think I saw a bug report for this issue on Fedora's bugzilla, but I
  can't find it now...)

  Confirmed under Karmic.

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