[openstack-dev] [Nova] SR-IOV IRC meeting and sub-team - passing the torch

2016-04-18 Thread Nikola Đipanov
Hi team, As I'll be focusing on different things going forward, I was wondering if someone from the group of people who were normally working in this area would want to step up and take over the sub-team IRC meeting. It is normally not a massive overhead, mostly tracking ongoing efforts and

Re: [openstack-dev] [nova] bug 1550250: delete_on_termination" flag: how to proceed?

2016-03-29 Thread Nikola Đipanov
On 03/29/2016 09:14 AM, Markus Zoeller wrote: > The discussion around Bug 1550250 [1] doesn't show a clear path on how > to proceed. In short, it's about if we want to keep the flag > "delete_on_termination" for volumes which get migrated. Right now that > flag gets reset during the migration

Re: [openstack-dev] [nova] NUMA + SR-IOV

2016-03-24 Thread Nikola Đipanov
On 03/24/2016 04:18 PM, Sergey Nikitin wrote: > > Hi, folks. > > I want to start a discussion about NUMA + SR-IOV environment. I have a > two-sockets server. It has two NUMA nodes and only one SR-IOV PCI > device. This device is associated with the first NUMA node. I booted a > set of VMs with

Re: [openstack-dev] [Nova] Grant FFE to "Host-state level locking" BP

2016-03-04 Thread Nikola Đipanov
On 03/04/2016 02:06 PM, John Garbutt wrote: > tl;dr > As on IRC, I don't think this should get an FFE this cycle. > > On 4 March 2016 at 10:56, Nikola Đipanov <ndipa...@redhat.com> wrote: >> Hi, >> >> The actual BP that links to the approved spec is here: [1]

[openstack-dev] [Nova] Grant FFE to "Host-state level locking" BP

2016-03-04 Thread Nikola Đipanov
Hi, The actual BP that links to the approved spec is here: [1] and 2 outstanding patches are [2][3]. Apart from the usual empathy-inspired reasons to allow this (code's been up for a while, yet only had real review on the last day etc.) which are not related to the technical merit of the work,

Re: [openstack-dev] [Nova] Re-booting the SR-IOV meeting

2016-02-29 Thread Nikola Đipanov
y I think it would be good to meet and figure this out together. N. > Cheers, > Shinobu > > > On Fri, Feb 26, 2016 at 11:58 PM, Nikola Đipanov <ndipa...@redhat.com> wrote: >> Hello folks, >> >> We are closing in on Mitaka-3 and it would be good to have a

[openstack-dev] [Nova] Re-booting the SR-IOV meeting

2016-02-26 Thread Nikola Đipanov
Hello folks, We are closing in on Mitaka-3 and it would be good to have a meeting and see which SR-IOV related bugfixes we want to try to land for Mitaka. The next meeting slot is next week on Tuesday (March 1st) at 13:00 UTC, so if there are any bugs you would like to discuss - that would be a

Re: [openstack-dev] [nova] A prototype implementation towards the "shared state scheduler"

2016-02-18 Thread Nikola Đipanov
On 02/15/2016 09:27 AM, Sylvain Bauza wrote: > > > Le 15/02/2016 06:21, Cheng, Yingxin a écrit : >> >> Hi, >> >> >> >> I’ve uploaded a prototype https://review.openstack.org/#/c/280047/ >> to testify its design goals >> in accuracy, performance,

Re: [openstack-dev] [nova] Better tests for nova scheduler(esp. race conditions)?

2016-01-27 Thread Nikola Đipanov
for proper reasource accounting tests. Yingxin - in case you are still interested in doing some of this stuff, we can discuss here or on IRC. Thanks, Nikola On 12/15/2015 03:33 AM, Cheng, Yingxin wrote: > >> -Original Message- >> From: Nikola Đipanov [mailto:ndipa...@redh

[openstack-dev] [Nova] PCI CI is down

2016-01-20 Thread Nikola Đipanov
Hey Nova, It seems the a bug [1] sneaked in that made the PCI CI jobs fail 100% of the time so they got turned off. Fix for the bug should be making it's way through the queue soon, but it was hinted on the review that there may be further problems. I'd like to help fix these issues ASAP as the

Re: [openstack-dev] [Nova] PCI CI is down

2016-01-20 Thread Nikola Đipanov
; > -Original Message- > From: Nikola Đipanov [mailto:ndipa...@redhat.com] > Sent: Wednesday, January 20, 2016 4:41 PM > To: OpenStack Development Mailing List <openstack-dev@lists.openstack.org> > Subject: [openstack-dev] [Nova] PCI CI is down > > Hey Nova, >

Re: [openstack-dev] [nova] Better tests for nova scheduler(esp. race conditions)?

2015-12-15 Thread Nikola Đipanov
On 12/15/2015 03:33 AM, Cheng, Yingxin wrote: > >> -Original Message- >> From: Nikola Đipanov [mailto:ndipa...@redhat.com] >> Sent: Monday, December 14, 2015 11:11 PM >> To: OpenStack Development Mailing List (not for usage questions) >> Subject: Re: [o

Re: [openstack-dev] [nova] Better tests for nova scheduler(esp. race conditions)?

2015-12-14 Thread Nikola Đipanov
On 12/14/2015 08:20 AM, Cheng, Yingxin wrote: > Hi All, > > > > When I was looking at bugs related to race conditions of scheduler > [1-3], it feels like nova scheduler lacks sanity checks of schedule > decisions according to different situations. We cannot even make sure > that some fixes

Re: [openstack-dev] [oslo][messaging] configurable ack-then-process (at least/most once) behavior

2015-12-01 Thread Nikola Đipanov
On 11/30/2015 01:28 PM, Bogdan Dobrelya wrote: > Hello. > Please let's make this change [0] happen to the Oslo messaging. > This is reasonable, straightforward and backwards compatible change. And > it is required for OpenStack applications - see [1] - to implement a > sane HA. The only thing left

Re: [openstack-dev] [Nova] [Neutron] SR-IOV subteam

2015-11-12 Thread Nikola Đipanov
to review and comment. [1] http://eavesdrop.openstack.org/meetings/sriov/2015/sriov.2015-11-10-13.09.log.html On 11/10/2015 01:42 AM, Nikola Đipanov wrote: > On 11/04/2015 07:56 AM, Moshe Levi wrote: >> Maybe we can you use the pci- passthrough meeting slot >> http://eavesdro

Re: [openstack-dev] [Nova] SR-IOV subteam

2015-11-09 Thread Nikola Đipanov
On 11/04/2015 07:56 AM, Moshe Levi wrote: > Maybe we can you use the pci- passthrough meeting slot > http://eavesdrop.openstack.org/#PCI_Passthrough_Meeting > It been a long time since we had a meeting. > I think that slot works well (at least for me). I'd maybe change the cadence to

Re: [openstack-dev] [nova] Proposal to add Alex Xu to nova-core

2015-11-09 Thread Nikola Đipanov
On 11/06/2015 03:32 PM, John Garbutt wrote: > Hi, > > I propose we add Alex Xu[1] to nova-core. > +1 __ OpenStack Development Mailing List (not for usage questions) Unsubscribe:

Re: [openstack-dev] [nova] Proposal to add Sylvain Bauza to nova-core

2015-11-09 Thread Nikola Đipanov
On 11/06/2015 03:32 PM, John Garbutt wrote: > Hi, > > I propose we add Sylvain Bauza[1] to nova-core. > +1 __ OpenStack Development Mailing List (not for usage questions) Unsubscribe:

[openstack-dev] [Nova] SR-IOV subteam

2015-11-02 Thread Nikola Đipanov
Hello Nova, Looking at Mitaka specs, but also during the Tokyo design summit sessions, we've seen several discussions and requests for enhancements to the Nova SR-IOV functionality. It has been brought up during the Summit that we may want to organize as a subteam to track all of the efforts

Re: [openstack-dev] [Nova] Migration state machine proposal.

2015-10-22 Thread Nikola Đipanov
On 10/21/2015 10:17 PM, Joshua Harlow wrote: > Question on some things seen in the below paste. > > What is with 'finished' -> 'reverted' and 'finished' -> 'confirmed'? > > Why does it jump over 'reverting' or 'confirming'? Should it? > > The other question is the difference between 'failed'

Re: [openstack-dev] [Nova] Migration state machine proposal.

2015-10-19 Thread Nikola Đipanov
On 10/19/2015 11:13 AM, Tang Chen wrote: > Hi, all, > > If you don't mind, how about approve the BP, and I can start this work. > This is IMHO the biggest drawback of the current spec process (as I've written before). There is no reason why you should doubt that this particular spec will get

Re: [openstack-dev] [Nova] Migration state machine proposal.

2015-10-14 Thread Nikola Đipanov
On 10/14/2015 04:29 AM, Tang Chen wrote: >> >> On Wed, Oct 14, 2015 at 10:05 AM, Tang Chen > > wrote: >> >> Hi, all, >> >> Please help to review this BP. >> >>

Re: [openstack-dev] [nova][mistral] Automatic evacuation as a long running task

2015-10-12 Thread Nikola Đipanov
On 10/06/2015 04:34 PM, Matthew Booth wrote: > Hi, Roman, > > Evacuated has been on my radar for a while and this post has prodded me > to take a look at the code. I think it's worth starting by explaining > the problems in the current solution. Nova client is currently > responsible for doing

Re: [openstack-dev] [nova] how to address boot from volume failures

2015-10-01 Thread Nikola Đipanov
On 09/30/2015 10:45 PM, Andrew Laski wrote: > On 09/30/15 at 05:03pm, Sean Dague wrote: >> Today we attempted to branch devstack and grenade for liberty, and are >> currently blocked because in liberty with openstack client and >> novaclient, it's not possible to boot a server from volume using

Re: [openstack-dev] Scheduler hints, API and Objects

2015-09-04 Thread Nikola Đipanov
On 09/04/2015 02:31 PM, Sylvain Bauza wrote: > > > Le 04/09/2015 14:57, Nikola Đipanov a écrit : >> On 06/25/2015 04:50 PM, Monty Taylor wrote: >>> On 06/25/2015 10:22 AM, Andrew Laski wrote: >>>> I have been growing concerned recently with some attempts to

Re: [openstack-dev] Scheduler hints, API and Objects

2015-09-04 Thread Nikola Đipanov
On 06/25/2015 04:50 PM, Monty Taylor wrote: > On 06/25/2015 10:22 AM, Andrew Laski wrote: >> I have been growing concerned recently with some attempts to formalize >> scheduler hints, both with API validation and Nova objects defining >> them, and want to air those concerns and see if others agree

Re: [openstack-dev] [cinder][nova] snapshot and cloning for NFS backend

2015-08-26 Thread Nikola Đipanov
On 07/28/2015 09:00 AM, Kekane, Abhishek wrote: Hi Devs, There is an NFS backend driver for cinder, which supports only limited volume handling features. Specifically, snapshot and cloning features are missing. Eric Harney has proposed a feature of NFS driver snapshot [1][2][3],

Re: [openstack-dev] [nova] should we allow overcommit for a single VM?

2015-08-18 Thread Nikola Đipanov
On 08/17/2015 08:22 PM, Chris Friesen wrote: I tried bringing this up on the irc channel, but nobody took the bait. Hopefully this will generate some discussion. I just filed bug 1485631. Nikola suggested one way of handling it, but there are some complications that I thought I should

Re: [openstack-dev] [Nova] Device names supplied to the boot request

2015-07-16 Thread Nikola Đipanov
On 07/16/2015 05:47 PM, Nikola Đipanov wrote: Also, not being able to specify device names would make it impossible to implement certain features that EC2 API can provide, such as overriding the image block devices without significant effort. I forgot to add links that explain this in more

Re: [openstack-dev] [Nova] Device names supplied to the boot request

2015-07-16 Thread Nikola Đipanov
On 07/16/2015 11:24 AM, Sean Dague wrote: On 07/15/2015 01:41 PM, Andrew Laski wrote: On 07/15/15 at 12:19pm, Matt Riedemann wrote: snip The other part of the discussion is around the API changes, not just for libvirt, but having a microversion that removes the device from the request so

Re: [openstack-dev] [Nova] Device names supplied to the boot request

2015-07-16 Thread Nikola Đipanov
On 07/16/2015 06:35 PM, Matt Riedemann wrote: On 7/16/2015 11:47 AM, Nikola Đipanov wrote: On 07/16/2015 11:24 AM, Sean Dague wrote: On 07/15/2015 01:41 PM, Andrew Laski wrote: On 07/15/15 at 12:19pm, Matt Riedemann wrote: snip The other part of the discussion is around the API changes

[openstack-dev] [Nova] Device names supplied to the boot request

2015-07-15 Thread Nikola Đipanov
I'll keep this email brief since this has been a well known issue for some time now. Problem: Libvirt can't honour device names specified at boot for any volumes requested as part of block_device_mapping. What we currently do is in case they do get specified, we persist them as is, so that we can

Re: [openstack-dev] [nova] schedule instance based on CPU frequency ?

2015-06-30 Thread Nikola Đipanov
On 06/30/2015 07:42 AM, ChangBo Guo wrote: CPU frequency is an import performance parameter, currently nova drivers just report cpu_info without frequency. we stored the compute node cpu_info in database with colum compute_nodes.cpu_info, we can add the frequency easily. The usage

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-29 Thread Nikola Đipanov
wrote: On Wed, Jun 24, 2015 at 11:28:59AM +0100, Nikola Đipanov wrote: Hey Nova, I'll cut to the chase and keep this email short for brevity and clarity: Specs don't work! They do nothing to facilitate good design happening, if anything they prevent it. The process layered on top with only

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-29 Thread Nikola Đipanov
On 06/29/2015 11:32 AM, Thierry Carrez wrote: Nikola Đipanov wrote: It's not only about education - I think Gerrit is the wrong medium to have a design discussion and do design work. Maybe you disagree as you seem to imply that it worked well in some cases? I've recently seen on more than

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-29 Thread Nikola Đipanov
On 06/26/2015 08:15 PM, Tim Bell wrote: Limiting those who give input to the people who can analyse python and determine the impacts of the change has significant risks. Many of those running OpenStack clouds can give their feedback as part of the specs process. While this may not be as

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-26 Thread Nikola Đipanov
On 06/25/2015 05:39 PM, Tim Bell wrote: On 25/06/15 09:49, Thierry Carrez thie...@openstack.org wrote: Maxim Nestratov wrote: 24.06.2015 20:21, Daniel P. Berrange пишет: On Wed, Jun 24, 2015 at 04:46:57PM +, Michael Krotscheck wrote: First: Overhead - 1 week for vacation - 1 week

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-26 Thread Nikola Đipanov
On 06/25/2015 09:46 PM, Joe Gordon wrote: On Thu, Jun 25, 2015 at 1:39 AM, Nikola Đipanov ndipa...@redhat.com As someone who does a lot of spec reviews, I take +1s from the right people (not always nova-cores) to mean a lot, so much that I regularly will simply skim

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-25 Thread Nikola Đipanov
: On Wed, Jun 24, 2015 at 02:51:38PM +0100, Nikola Đipanov wrote: On 06/24/2015 02:33 PM, Matt Riedemann wrote: [. . .] This is one of the _baffling_ aspects -- that a so-called super core has to approve specs with *no* obvious valid reasons. As Jay Pipes mentioned once

Re: [openstack-dev] [Nova][Keystone] The unbearable lightness of specs

2015-06-25 Thread Nikola Đipanov
On 06/24/2015 09:00 PM, Adam Young wrote: On 06/24/2015 12:25 PM, Daniel P. Berrange wrote: Which happened repeatedly. You could say that the first patch submitted to the code repository should simply be a doc file addition, that describes the feature proposal and we should discuss that

[openstack-dev] [Nova] The unbearable lightness of specs

2015-06-24 Thread Nikola Đipanov
Hey Nova, I'll cut to the chase and keep this email short for brevity and clarity: Specs don't work! They do nothing to facilitate good design happening, if anything they prevent it. The process layered on top with only a minority (!) of cores being able to approve them, yet they are a prereq of

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-24 Thread Nikola Đipanov
On 06/24/2015 01:42 PM, Daniel P. Berrange wrote: On Wed, Jun 24, 2015 at 11:28:59AM +0100, Nikola Đipanov wrote: Hey Nova, I'll cut to the chase and keep this email short for brevity and clarity: Specs don't work! They do nothing to facilitate good design happening, if anything

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-24 Thread Nikola Đipanov
On 06/24/2015 03:08 PM, Dan Smith wrote: Why do cores need approved specs for example - and indeed for many of us - it's just a dance we do. I refuse to believe that a core can be trusted to approve patches but not to write any code other than a bugfix without a written document explaining

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-24 Thread Nikola Đipanov
On 06/24/2015 02:33 PM, Matt Riedemann wrote: On 6/24/2015 8:23 AM, Sahid Orentino Ferdjaoui wrote: On Wed, Jun 24, 2015 at 11:28:59AM +0100, Nikola Đipanov wrote: Hey Nova, I'll cut to the chase and keep this email short for brevity and clarity: Specs don't work! They do nothing

Re: [openstack-dev] [Nova] The unbearable lightness of specs

2015-06-24 Thread Nikola Đipanov
On 06/24/2015 04:42 PM, Andrew Laski wrote: On 06/24/15 at 02:38pm, Nikola Đipanov wrote: On 06/24/2015 01:42 PM, Daniel P. Berrange wrote: On Wed, Jun 24, 2015 at 11:28:59AM +0100, Nikola Đipanov wrote: Hey Nova, I'll cut to the chase and keep this email short for brevity and clarity

Re: [openstack-dev] [nova] Availability of device names for operations with volumes and BDM and other features.

2015-06-11 Thread Nikola Đipanov
,n,z [2] https://bugs.launchpad.net/nova/+bug/1370250 On 5/29/15 11:32 PM, Nikola Đipanov wrote: On 05/29/2015 12:55 AM, Feodor Tersin wrote: Nicola, i would add some words to Alexandre repsonse. We (standalone ec2api project guys) have filed some bugs (the main is [1]), but we don't know

Re: [openstack-dev] [nova][scheduler] Updating Our Concept of Resources

2015-06-03 Thread Nikola Đipanov
On 06/03/2015 02:13 PM, John Garbutt wrote: On 3 June 2015 at 13:53, Ed Leafe e...@leafe.com wrote: On Jun 2, 2015, at 5:58 AM, Alexis Lee alex...@hp.com wrote: If you allocate all the memory of a box to high-mem instances, you may not be billing for all the CPU and disk which are now

Re: [openstack-dev] [nova] RequestSpec object and Instance model

2015-06-03 Thread Nikola Đipanov
On 06/02/2015 03:14 PM, Sylvain Bauza wrote: Hi, Currently working on implementing the RequestSpec object BP [1], I had some cool comments on my change here : https://review.openstack.org/#/c/145528/12/nova/objects/request_spec.py,cm Since we didn't discussed on how to persist that

Re: [openstack-dev] [all][infra][tc][ptl] Scaling up code review process (subdir cores)

2015-06-03 Thread Nikola Đipanov
On 06/03/2015 02:43 PM, Boris Pavlovic wrote: I don't believe even my self, because I am human and I make mistakes. My goal on the PTL position is to make such process that stops human mistakes before they land in master. In other words everything should be automated and pre not post

Re: [openstack-dev] [all][infra][tc][ptl] Scaling up code review process (subdir cores)

2015-06-03 Thread Nikola Đipanov
On 06/03/2015 05:57 PM, John Garbutt wrote: +1 to ttx and Jame's points on trust and relationships, indeed referencing the summit session that ttx mentioned: https://etherpad.openstack.org/p/liberty-cross-project-in-team-scaling On 3 June 2015 at 16:01, Nikola Đipanov ndipa...@redhat.com

Re: [openstack-dev] [nova] Availability of device names for operations with volumes and BDM and other features.

2015-05-29 Thread Nikola Đipanov
On 05/29/2015 12:55 AM, Feodor Tersin wrote: Nicola, i would add some words to Alexandre repsonse. We (standalone ec2api project guys) have filed some bugs (the main is [1]), but we don't know how to fix them since the way Nova's device names are moved on is unclear for us. Neither BP, nor

Re: [openstack-dev] [nova] Availability of device names for operations with volumes and BDM and other features.

2015-05-27 Thread Nikola Đipanov
On 05/27/2015 09:47 AM, Alexandre Levine wrote: Hi all, I'd like to bring up this matter again, although it was at some extent discussed during the recent summit. The problem arises from the fact that the functionality exposing device names for usage through public APIs is deteriorating

Re: [openstack-dev] [nova] usefulness of device parameter at volumeAttachment

2015-05-26 Thread Nikola Đipanov
On 05/26/2015 11:13 AM, Daniel P. Berrange wrote: On Sat, May 23, 2015 at 11:00:32AM +0200, Géza Gémes wrote: Hi, When someone calls nova volume-attach or the block-device-mapping parameter at boot, it is possible to specify a device name for the guest. However I couldn't find any guest OS

Re: [openstack-dev] [nova] Proposal to add Melanie Witt to nova-core

2015-04-30 Thread Nikola Đipanov
On 04/30/2015 12:30 PM, John Garbutt wrote: Hi, I propose we add Melanie to nova-core. She has been consistently doing great quality code reviews[1], alongside a wide array of other really valuable contributions to the Nova project. Please respond with comments, +1s, or objections

Re: [openstack-dev] [Nova][QA] Use case of Nova to boot VM from volume only

2015-04-03 Thread Nikola Đipanov
On 04/03/2015 07:33 AM, GHANSHYAM MANN wrote: Hi, This is regarding bug - https://bugs.launchpad.net/tempest/+bug/1436314 When Nova is configured to boot VM from volume only, current Tempest integration tests will fails. We are not sure how feasible and valid this configuration is for

Re: [openstack-dev] [nova] Revert objects: introduce numa topology limits objects

2015-03-24 Thread Nikola Đipanov
On 03/23/2015 02:06 PM, Dan Smith wrote: I am really sorry it got in as I have -1ed it several times for the same reason (I _really_ hate using the -2 hammer - we're all adults here after all). I guess that I should take some blame as a reviewer on that patch, but only after this mail do I

[openstack-dev] [nova] Revert objects: introduce numa topology limits objects

2015-03-23 Thread Nikola Đipanov
I'd really like the following commit reverted: https://review.openstack.org/#/c/137817/ I am really sorry it got in as I have -1ed it several times for the same reason (I _really_ hate using the -2 hammer - we're all adults here after all). My reasoning for it is quite simple and is outlined

Re: [openstack-dev] [nova] Block Device Mapping is Invalid error

2015-03-18 Thread Nikola Đipanov
On 03/16/2015 03:55 PM, aburluka wrote: Hello Nova! I'd like to ask community to help me with some unclear things. I'm currently working on adding persistent storage support into a parallels driver. I'm trying to start VM. nova boot test-vm --flavor m1.medium --image centos-vm-32 --nic

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-10 Thread Nikola Đipanov
On 03/06/2015 03:19 PM, Attila Fazekas wrote: Looks like we need some kind of _per compute node_ mutex in the critical section, multiple scheduler MAY be able to schedule to two compute node at same time, but not for scheduling to the same compute node. If we don't want to introduce

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-06 Thread Nikola Đipanov
] https://bugs.launchpad.net/nova/+bug/1341420 Best Regards. 2015-03-05 21:12 GMT+08:00 Sylvain Bauza sba...@redhat.com mailto:sba...@redhat.com: Le 05/03/2015 13:00, Nikola Đipanov a écrit : On 03/04/2015 09:23 AM, Sylvain Bauza wrote: Le 04/03/2015 04:51, Rui

Re: [openstack-dev] [nova] blueprint about multiple workers supported in nova-scheduler

2015-03-05 Thread Nikola Đipanov
On 03/04/2015 09:23 AM, Sylvain Bauza wrote: Le 04/03/2015 04:51, Rui Chen a écrit : Hi all, I want to make it easy to launch a bunch of scheduler processes on a host, multiple scheduler workers will make use of multiple processors of host and enhance the performance of nova-scheduler. I

Re: [openstack-dev] [nova] Plans to fix numa_topology related issues with migration/resize/evacuate

2015-03-04 Thread Nikola Đipanov
On 03/04/2015 03:17 PM, Wensley, Barton wrote: Hi, I have been exercising the numa topology related features in kilo (cpu pinning, numa topology, huge pages) and have seen that there are issues when an operation moves an instance between compute nodes. In summary, the numa_topology is not

Re: [openstack-dev] [nova] Outcome of the nova FFE meeting for Kilo

2015-02-23 Thread Nikola Đipanov
On 02/20/2015 11:33 PM, Sourabh Patwardhan (sopatwar) wrote: Nova core reviewers, May I request an FFE for Cisco VIF driver: https://review.openstack.org/#/c/157616/ This is a small isolated change similar to the vhostuser / open contrail vif drivers for which FFE has been granted.

Re: [openstack-dev] [nova] Ubuntu, qemu, NUMA support

2015-02-22 Thread Nikola Đipanov
On 02/23/2015 06:17 AM, Tom Fifield wrote: Also, we currently assume that qemu can pin to NUMA nodes. This is an invalid assumption since this was only added as of qemu 2.1, and there only if it's compiled with NUMA support. At the very least we should have a version check, but if Ubuntu

Re: [openstack-dev] [nova] Question about force_host skip filters

2015-02-17 Thread Nikola Đipanov
On 02/17/2015 04:59 PM, Chris Friesen wrote: On 02/16/2015 01:17 AM, Nikola Đipanov wrote: On 02/14/2015 08:25 AM, Alex Xu wrote: Agree with Nikola, the claim already checking that. And instance booting must be failed if there isn't pci device. But I still think it should go through

[openstack-dev] [nova] Feature Freeze Exception Request (DRBD for Nova) WAS: Re: [nova] Request Spec Freeze Exception (DRBD for Nova)

2015-02-16 Thread Nikola Đipanov
Re-titling the email so that it does not get missed as it does not have the right subject line. I looked at the code and it is quite straightforward - some small nits inline but other than that - no reason to keep it out. This is the first contribution to Nova by Philipp and his team, and their

Re: [openstack-dev] [nova] Feature Freeze Exception Request (DRBD for Nova) WAS: Re: [nova] Request Spec Freeze Exception (DRBD for Nova)

2015-02-16 Thread Nikola Đipanov
On 02/16/2015 03:27 PM, Nikola Đipanov wrote: Re-titling the email so that it does not get missed as it does not have the right subject line. Ugh - as Daniel pointed out - the spec is not actually approved so please disregard this email - I missed that bit. Although - I still stand

Re: [openstack-dev] [nova] Question about force_host skip filters

2015-02-15 Thread Nikola Đipanov
On 02/14/2015 08:25 AM, Alex Xu wrote: 2015-02-14 1:41 GMT+08:00 Nikola Đipanov ndipa...@redhat.com mailto:ndipa...@redhat.com: On 02/12/2015 04:10 PM, Chris Friesen wrote: On 02/12/2015 03:44 AM, Sylvain Bauza wrote: Any action done by the operator is always more

Re: [openstack-dev] [nova] Question about force_host skip filters

2015-02-13 Thread Nikola Đipanov
On 02/12/2015 04:10 PM, Chris Friesen wrote: On 02/12/2015 03:44 AM, Sylvain Bauza wrote: Any action done by the operator is always more important than what the Scheduler could decide. So, in an emergency situation, the operator wants to force a migration to an host, we need to accept it

Re: [openstack-dev] [all][tc] Lets keep our community open, lets fight for it

2015-02-12 Thread Nikola Đipanov
On 02/11/2015 06:20 PM, Clint Byrum wrote: Excerpts from Nikola Đipanov's message of 2015-02-11 05:26:47 -0800: On 02/11/2015 02:13 PM, Sean Dague wrote: If core team members start dropping off external IRC where they are communicating across corporate boundaries, then the local tribal

Re: [openstack-dev] [nova] Feature Freeze Exception Request (libvirt vhostuser vif driver)

2015-02-11 Thread Nikola Đipanov
On 02/09/2015 11:04 AM, Czesnowicz, Przemyslaw wrote: Hi, I would like to request FFE for vhostuser vif driver. 2 reviews :

Re: [openstack-dev] [all][tc] Lets keep our community open, lets fight for it

2015-02-11 Thread Nikola Đipanov
+ Inf for writing this Flavio! Only some observations below. On 02/11/2015 10:55 AM, Flavio Percoco wrote: Greetings all, During the last two cycles, I've had the feeling that some of the things I love the most about this community are degrading and moving to a state that I personally

Re: [openstack-dev] [all][tc] Lets keep our community open, lets fight for it

2015-02-11 Thread Nikola Đipanov
On 02/11/2015 02:13 PM, Sean Dague wrote: If core team members start dropping off external IRC where they are communicating across corporate boundaries, then the local tribal effects start taking over. You get people start talking about the upstream as them. The moment we get into us vs.

Re: [openstack-dev] [nova] Feature Freeze Exception Request for Quiesce boot from volume instances

2015-02-10 Thread Nikola Đipanov
On 02/10/2015 11:12 AM, Daniel P. Berrange wrote: On Fri, Feb 06, 2015 at 10:20:04PM +, Tomoki Sekiyama wrote: Hello, I'd like to request a feature freeze exception for the change https://review.openstack.org/#/c/138795/ . This patch makes live volume-boot instance snapshots

Re: [openstack-dev] Need nova-specs core reviews for Scheduler spec

2015-02-06 Thread Nikola Đipanov
On 02/06/2015 02:15 PM, Ed Leafe wrote: At the mid-cycle we discussed the last spec for the scheduler cleanup: Isolate Scheduler DB for Instances https://review.openstack.org/#/c/138444/ There was a lot of great feedback from those discussions, and that has been incorporated into the

Re: [openstack-dev] [nova] Nominating Melanie Witt for python-novaclient-core

2015-01-29 Thread Nikola Đipanov
On 01/27/2015 11:41 PM, Michael Still wrote: Greetings, I would like to nominate Melanie Witt for the python-novaclient-core team. (What is python-novaclient-core? Its a new group which will contain all of nova-core as well as anyone else we think should have core reviewer powers on just

Re: [openstack-dev] [nova][gate][stable] How eventlet 0.16.1 broke the gate

2015-01-15 Thread Nikola Đipanov
On 01/15/2015 10:35 AM, Joe Gordon wrote: So how could we have avoided this problem? By capping stable branch requirements so we only have to worry about uncapped dependencies on master. Capping stable branches has been previous discussed but no action has been taken. So going forward I

Re: [openstack-dev] [Nova] Spring cleaning nova-core

2014-12-07 Thread Nikola Đipanov
On 12/07/2014 06:02 PM, Jay Pipes wrote: On 12/07/2014 04:19 AM, Michael Still wrote: On Sun, Dec 7, 2014 at 7:03 PM, Gary Kotton gkot...@vmware.com wrote: On 12/6/14, 7:42 PM, Jay Pipes jaypi...@gmail.com wrote: [snip] -1 on pixelbeat, since he's been active in reviews on various things

Re: [openstack-dev] [Nova] Spring cleaning nova-core

2014-12-05 Thread Nikola Đipanov
On 12/05/2014 01:05 AM, Michael Still wrote: One of the things that happens over time is that some of our core reviewers move on to other projects. This is a normal and healthy thing, especially as nova continues to spin out projects into other parts of OpenStack. However, it is important

Re: [openstack-dev] [nova] NUMA Cells

2014-12-04 Thread Nikola Đipanov
On 12/04/2014 05:30 AM, Michael Still wrote: Hi, so just having read a bunch of the libvirt driver numa code, I have a concern. At first I thought it was a little thing, but I am starting to think its more of a big deal... We use the term cells to describe numa cells. However, that term

Re: [openstack-dev] [nova] Consistency, efficiency, and safety of NovaObject.save()

2014-11-13 Thread Nikola Đipanov
On 11/13/2014 02:45 AM, Dan Smith wrote: I’m not sure if I’m seeing the second SELECT here either but I’m less familiar with what I’m looking at. compute_node_update() does the one SELECT as we said, then it doesn’t look like self._from_db_object() would emit any further SQL specific to

Re: [openstack-dev] Taking a break..

2014-10-27 Thread Nikola Đipanov
On 10/22/2014 07:37 PM, Chris Behrens wrote: Hey all, Just wanted to drop a quick note to say that I decided to leave Rackspace to pursue another opportunity. My last day was last Friday. I won’t have much time for OpenStack, but I’m going to continue to hang out in the channels. Having

Re: [openstack-dev] [Nova] Cells conversation starter

2014-10-21 Thread Nikola Đipanov
On 10/20/2014 08:00 PM, Andrew Laski wrote: One of the big goals for the Kilo cycle by users and developers of the cells functionality within Nova is to get it to a point where it can be considered a first class citizen of Nova. Ultimately I think this comes down to getting it tested by

Re: [openstack-dev] [nova] Pulling nova/virt/hardware.py into nova/objects/

2014-10-21 Thread Nikola Đipanov
On 10/20/2014 07:38 PM, Jay Pipes wrote: Hi Dan, Dan, Nikola, all Nova devs, OK, so in reviewing Dan B's patch series that refactors the virt driver's get_available_resource() method [1], I am stuck between two concerns. I like (love even) much of the refactoring work involved in Dan's

Re: [openstack-dev] [nova] Nova Project Priorities for Kilo

2014-10-08 Thread Nikola Đipanov
On 10/07/2014 01:01 AM, Joe Gordon wrote: Hi all, One of the outcomes of the nova midcyle meetup was to pick several things for nova, as a team, to prioritize in Kilo. More background on this can be found at [0] We are now collecting ideas for project priorities on this etherpad [1],

Re: [openstack-dev] [Nova] What's holding nova development back?

2014-09-15 Thread Nikola Đipanov
On 09/13/2014 11:07 PM, Michael Still wrote: Just an observation from the last week or so... The biggest problem nova faces at the moment isn't code review latency. Our biggest problem is failing to fix our bugs so that the gate is reliable. The number of rechecks we've done in the last week

Re: [openstack-dev] [Nova] What's holding nova development back?

2014-09-15 Thread Nikola Đipanov
On 09/14/2014 12:27 AM, Boris Pavlovic wrote: Michael, I am so glad that you started this topic. I really like idea of of taking a pause with features and concentrating on improvement of current code base. Even if the 1 k open bugs https://bugs.launchpad.net/nova are vital issue,

Re: [openstack-dev] [Nova][FFE] Feature freeze exception for virt-driver-numa-placement

2014-09-05 Thread Nikola Đipanov
On 09/04/2014 07:42 PM, Murray, Paul (HP Cloud) wrote: Anyway, not enough to -1 it, but enough to at least say something. .. but I do not want to get into the discussion about software testing here, not the place really. However, I do think it

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-05 Thread Nikola Đipanov
On 09/04/2014 10:25 PM, Solly Ross wrote: Anyway, I think it would be useful to have some sort of page where people could say I'm an SME in X, ask me for reviews and then patch submitters could go and say, oh, I need an someone to review my patch about storage backends, let me ask sross.

Re: [openstack-dev] [Nova][FFE] Feature freeze exception for virt-driver-numa-placement

2014-09-05 Thread Nikola Đipanov
/044669.html On 09/04/2014 01:58 PM, Nikola Đipanov wrote: Hi team, I am requesting the exception for the feature from the subject (find specs at [1] and outstanding changes at [2]). Some reasons why we may want to grant it: First of all all patches have been approved in time and just lost

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 02:07 AM, Joe Gordon wrote: On Wed, Sep 3, 2014 at 2:50 AM, Nikola Đipanov ndipa...@redhat.com mailto:ndipa...@redhat.com wrote: On 09/02/2014 09:23 PM, Michael Still wrote: On Tue, Sep 2, 2014 at 1:40 PM, Nikola Đipanov ndipa...@redhat.com mailto:ndipa

[openstack-dev] [Nova][FFE] Feature freeze exception for virt-driver-numa-placement

2014-09-04 Thread Nikola Đipanov
Hi team, I am requesting the exception for the feature from the subject (find specs at [1] and outstanding changes at [2]). Some reasons why we may want to grant it: First of all all patches have been approved in time and just lost the gate race. Rejecting it makes little sense really, as it

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 03:36 AM, Dean Troyer wrote: On Wed, Sep 3, 2014 at 7:07 PM, Joe Gordon joe.gord...@gmail.com mailto:joe.gord...@gmail.com wrote: On Wed, Sep 3, 2014 at 2:50 AM, Nikola Đipanov ndipa...@redhat.com mailto:ndipa...@redhat.com wrote: The reason many features

Re: [openstack-dev] [Nova][FFE] Feature freeze exception for virt-driver-numa-placement

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 02:31 PM, Sean Dague wrote: On 09/04/2014 07:58 AM, Nikola Đipanov wrote: Hi team, I am requesting the exception for the feature from the subject (find specs at [1] and outstanding changes at [2]). Some reasons why we may want to grant it: First of all all patches have been

Re: [openstack-dev] [nova] FFE request serial-ports

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 02:42 PM, Sahid Orentino Ferdjaoui wrote: Hello, I would like to request a FFE for 4 changesets to complete the blueprint serial-ports. Topic on gerrit: https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bp/serial-ports,n,z

Re: [openstack-dev] [vmware][nova][FFE] vmware-spawn-refactor

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 03:46 PM, Daniel P. Berrange wrote: On Thu, Sep 04, 2014 at 02:09:26PM +0100, Matthew Booth wrote: I'd like to request a FFE for the remaining changes from vmware-spawn-refactor. They are: https://review.openstack.org/#/c/109754/ https://review.openstack.org/#/c/109755/

Re: [openstack-dev] [Nova][FFE] Feature freeze exception for virt-driver-numa-placement

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 04:51 PM, Murray, Paul (HP Cloud) wrote: On 4 September 2014 14:07, Nikola Đipanov ndipa...@redhat.com wrote: On 09/04/2014 02:31 PM, Sean Dague wrote: On 09/04/2014 07:58 AM, Nikola Đipanov wrote: Hi team, I am requesting the exception for the feature from

Re: [openstack-dev] [nova] requesting an FFE for SRIOV

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 05:16 PM, Dan Smith wrote: The main sr-iov patches have gone through lots of code reviews, manual rebasing, etc. Now we have some critical refactoring work on the existing infra to get it ready. All the code for refactoring and sr-iov is up for review. I've been doing a lot

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-04 Thread Nikola Đipanov
On 09/04/2014 11:23 AM, John Garbutt wrote: Sorry for another top post, but I like how Nikola has pulled this problem apart, and wanted to respond directly to his response. Thanks John - I'm glad this caught your eye. On 3 September 2014 10:50, Nikola Đipanov ndipa...@redhat.com wrote

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-03 Thread Nikola Đipanov
On 09/02/2014 09:23 PM, Michael Still wrote: On Tue, Sep 2, 2014 at 1:40 PM, Nikola Đipanov ndipa...@redhat.com wrote: On 09/02/2014 08:16 PM, Michael Still wrote: Hi. We're soon to hit feature freeze, as discussed in Thierry's recent email. I'd like to outline the process for requesting

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