[Bug 1100843] Re: Live Migration Causes Performance Issues

[Serge Hallyn]

I couldn't reproduce this with a vm whose xml includes:

  <memory>524288</memory>
  <currentMemory>524288</currentMemory>
  <vcpu>1</vcpu>
  <os>
    <type arch='x86_64' machine='pc-1.2'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <pae/>
  </features>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw'/>
      <source file='/home/serge/machines/clean-precise-mini-amd64/disk0.img'/>
      <target dev='vda' bus='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </disk>

I started the vm, ran 6 kernel compilations, did 'virsh save/virsh
restore', then did 6 more kernel compilations.  All were in 272 or 273
seconds.

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https://bugs.launchpad.net/bugs/1100843

Title:
  Live Migration Causes Performance Issues

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