git.net

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Openstack] live_migration only using 8 Mb speed


On 18-08-22 08:35:09, Satish Patel wrote:
> Currently in stable/queens i am seeing this sha
> https://github.com/openstack/openstack-ansible/blob/stable/queens/ansible-role-requirements.yml#L112
> 
> On Wed, Aug 22, 2018 at 2:02 AM, Matthew Thode
> <prometheanfire at gentoo.org> wrote:
> > On 18-08-22 01:57:17, Satish Patel wrote:
> >> 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).
> >> >
> >
> > The sha for nova has not been updated yet (next update is 24-48 hours
> > away iirc), once that's done you can use the head of stable/queens from
> > OSA and run a inter-series upgrade (but the minimal thing to do would be
> > to run repo-build and os-nova plays).  I'm not sure when that sha bump
> > will be tagged in a full release if you would rather wait on that.

it's this sha that needs updating.
https://github.com/openstack/openstack-ansible/blob/stable/queens/playbooks/defaults/repo_packages/openstack_services.yml#L173

-- 
Matthew Thode (prometheanfire)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20180822/b9a7906a/attachment.sig>