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[Openstack] live_migration only using 8 Mb speed


What I need to upgrade, any specific component? 

I have deployed openstack-ansible 

Sent from my iPhone

> On Aug 22, 2018, at 1:06 AM, Matthew Thode <prometheanfire at gentoo.org> wrote:
> 
>> On 18-08-22 01:02:53, Satish Patel wrote:
>> Matthew,
>> 
>> Thanks for reply, Look like i don't have this patch
>> https://review.openstack.org/#/c/591761/
>> 
>> So i have to patch following 3 file manually?
>> 
>> nova/tests/unit/virt/libvirt/test_driver.py213
>> nova/tests/unit/virt/test_virt_drivers.py2
>> nova/virt/libvirt/driver.py
>> 
>> 
>> On Wed, Aug 22, 2018 at 12:42 AM, Matthew Thode
>> <prometheanfire at gentoo.org> wrote:
>>> On 18-08-22 00:27:08, Satish Patel wrote:
>>>> Folks,
>>>> 
>>>> I am running openstack queens and hypervisor is kvm, my live migration
>>>> working fine. but somehow it stuck to 8 Mb network speed and taking
>>>> long time to migrate 1G instance.  I have 10Gbps network and i have
>>>> tried to copy 10G file between two compute node and it did copy in 2
>>>> minute, so i am not seeing any network issue also.
>>>> 
>>>> it seem live_migration has some bandwidth limit, I have tried
>>>> following option in nova.conf but it didn't work
>>>> 
>>>> live_migration_bandwidth = 500
>>>> 
>>>> My nova.conf look like following:
>>>> 
>>>> live_migration_uri =
>>>> "qemu+ssh://nova@%s/system?no_verify=1&keyfile=/var/lib/nova/.ssh/id_rsa"
>>>> live_migration_tunnelled = True
>>>> live_migration_bandwidth = 500
>>>> hw_disk_discard = unmap
>>>> disk_cachemodes = network=writeback
>>>> 
>>> 
>>> Do you have a this patch (and a couple of patches up to it)?
>>> https://bugs.launchpad.net/nova/+bug/1786346
>>> 
> 
> I don't know if that would cleanly apply (there are other patches that
> changed those functions within the last month and a half.  It'd be best
> to upgrade and not do just one patch (which would be an untested
> process).
> 
> -- 
> Matthew Thode (prometheanfire)