Re: [openstack-dev] [nova][glance] Format of 'locations' data in image metadata ?

2015-05-20 Thread Zhi Yan Liu
On Wed, May 20, 2015 at 5:06 PM, Daniel P. Berrange berra...@redhat.com wrote: On Wed, May 20, 2015 at 12:01:37AM +0200, Flavio Percoco wrote: On 19/05/15 17:19 +0100, Daniel P. Berrange wrote: In Nova we are attempting to model[1] the glance image metadata and properties using the Nova object

Re: [openstack-dev] [nova][glance] Format of 'locations' data in image metadata ?

2015-05-20 Thread Zhi Yan Liu
On Wed, May 20, 2015 at 5:23 PM, Zhi Yan Liu lzy@gmail.com wrote: On Wed, May 20, 2015 at 5:06 PM, Daniel P. Berrange berra...@redhat.com wrote: On Wed, May 20, 2015 at 12:01:37AM +0200, Flavio Percoco wrote: On 19/05/15 17:19 +0100, Daniel P. Berrange wrote: In Nova we are attempting

Re: [openstack-dev] [nova][oslo] RPC Asynchronous Communication

2015-05-07 Thread Zhi Yan Liu
I'd really like this idea, async call will definitely improve overall performance for cloud control system. In nova (and other components) there are some slow tasks which handle resource with long time running, which makes new tasks get a huge delay before getting served, especially for the high

Re: [openstack-dev] [Glance] Proposal to change Glance meeting time.

2015-03-12 Thread Zhi Yan Liu
I'd prefer 1400UTC. zhiyan On Mon, Mar 9, 2015 at 4:07 AM, Nikhil Komawar nikhil.koma...@rackspace.com wrote: Hi all, Currently, we've alternating time for Glance meetings. Now, with the Daylight savings being implemented in some parts of the world, we're thinking of moving the meeting

Re: [openstack-dev] [glance] Deprecating osprofiler option 'enabled' in favour of 'profiler_enabled'

2014-12-02 Thread Zhi Yan Liu
, the profiler prefix is redundant to me still from the perspective of operator/configuration. zhiyan On Tue, Dec 2, 2014 at 7:44 PM, Louis Taylor krag...@gmail.com wrote: On Tue, Dec 02, 2014 at 12:16:44PM +0800, Zhi Yan Liu wrote: Why not change other services instead of glance? I see one reason

Re: [openstack-dev] [Glance][Cinder] The sorry state of cinder's driver in Glance

2014-10-22 Thread Zhi Yan Liu
Greetings, On Wed, Oct 22, 2014 at 4:56 PM, Flavio Percoco fla...@redhat.com wrote: Greetings, Back in Havana a, partially-implemented[0][1], Cinder driver was merged in Glance to provide an easier and hopefully more consistent interaction between glance, cinder and nova when it comes to

Re: [openstack-dev] [Glance][Cinder] The sorry state of cinder's driver in Glance

2014-10-22 Thread Zhi Yan Liu
Replied in inline. On Wed, Oct 22, 2014 at 9:33 PM, Flavio Percoco fla...@redhat.com wrote: On 10/22/2014 02:30 PM, Zhi Yan Liu wrote: Greetings, On Wed, Oct 22, 2014 at 4:56 PM, Flavio Percoco fla...@redhat.com wrote: Greetings, Back in Havana a, partially-implemented[0][1], Cinder driver

Re: [openstack-dev] [all][oslo] projects still using obsolete oslo modules

2014-10-16 Thread Zhi Yan Liu
Thanks Doug for your reminder/message! Field https://bugs.launchpad.net/glance/+bug/1381870 for glance stuff. btw, currently I prepared three patches to fix this defect, any input are welcome: https://review.openstack.org/#/c/127487/ https://review.openstack.org/#/c/127923/

Re: [openstack-dev] [Glance] PTL Non-Candidacy

2014-09-24 Thread Zhi Yan Liu
Hi Mark, Many thanks for your great work and leadership! Personally I have to say thank you for your mentorship for me. Let's still keep in touch in Glance/OpenStack. zhiyan On Tue, Sep 23, 2014 at 1:22 AM, Mark Washenberger mark.washenber...@markwash.net wrote: Greetings, I will not be

Re: [openstack-dev] Glance Store Future

2014-08-03 Thread Zhi Yan Liu
Two inline replies, throw out my quick thougths. On Sat, Aug 2, 2014 at 4:41 AM, Jay Pipes jaypi...@gmail.com wrote: cc'ing ML since it's an important discussion, IMO... On 07/31/2014 11:54 AM, Arnaud Legendre wrote: Hi Jay, I would be interested if you could share your point of view on

Re: [openstack-dev] [glance] Unifying configuration file

2014-06-17 Thread Zhi Yan Liu
Frankly I don't like the idea of using single configuration for all service too, I think it will be cool if we can generate separated configuration template files automatically for each Glance service. So besides https://review.openstack.org/#/c/83327/ , actually I'm working on that idea as well,

Re: [openstack-dev] [Glance][TC] Glance Functional API and Cross-project API Consistency

2014-05-30 Thread Zhi Yan Liu
Hello Hemanth, Thanks for your summary, and raise it up in ML. All of them are sensible to me, there is only one concern from implementation perspective for me like to get folks notice. If we follow 'POST /images/{image_id}/actions/{action_type}' approach, I think we will hard to write common

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-24 Thread Zhi Yan Liu
First, after the discussing between I and Vincent, I'm sure what we talked for zero-copying in above mail threads is different with full-copying/transferring. The transferring/full-copying means image bits duplication, it focuses on using some method to accelerate image bits replication and

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-18 Thread Zhi Yan Liu
and Distributed Processing, College of Computer Science, National University of Defense Technology, Changsha, Hunan Province, P.R. China 410073 At 2014-04-18 12:14:25,Zhi Yan Liu lzy@gmail.com wrote: On Fri, Apr 18, 2014 at 10:53 AM, lihuiba magazine.lihu...@163.com wrote: It's not 100

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-17 Thread Zhi Yan Liu
prevent to reading data from remote image every time by CoR. zhiyan === From: Zhi Yan Liu lzy@gmail.com Date: 2014-04-17 0:02 GMT+08:00 Subject: Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-17 Thread Zhi Yan Liu
interesting to me, will take a look, thanks for sharing. National Key Laboratory for Parallel and Distributed Processing, College of Computer Science, National University of Defense Technology, Changsha, Hunan Province, P.R. China 410073 At 2014-04-17 17:11:48,Zhi Yan Liu lzy

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-17 Thread Zhi Yan Liu
On Fri, Apr 18, 2014 at 5:19 AM, Michael Still mi...@stillhq.com wrote: If you'd like to have a go at implementing this in nova's Juno release, then you need to create a new-style blueprint in the nova-specs repository. You can find more details about that process at

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-17 Thread Zhi Yan Liu
need to be resolved as well. At 2014-04-18 06:05:23,Zhi Yan Liu lzy@gmail.com wrote: Replied as inline comments. On Thu, Apr 17, 2014 at 9:33 PM, lihuiba magazine.lihu...@163.com wrote: IMO we'd better to use backend storage optimized approach to access remote image from compute node instead

Re: [openstack-dev] [Nova][blueprint] Accelerate the booting process of a number of vms via VMThunder

2014-04-16 Thread Zhi Yan Liu
Hello Yongquan Fu, My thoughts: 1. Currently Nova has already supported image caching mechanism. It could caches the image on compute host which VM had provisioning from it before, and next provisioning (boot same image) doesn't need to transfer it again only if cache-manger clear it up. 2. P2P

Re: [openstack-dev] [glance] Switching from sql_connection to [database] connection ?

2014-03-30 Thread Zhi Yan Liu
Hi We have no plan to update sample template in I release for it, but https://review.openstack.org/#/c/77379/ is on reviewing, IFY. zhiyan Sent from my iPad On 2014年3月30日, at 13:04, Tom Fifield t...@openstack.org wrote: On 27/02/14 18:47, Flavio Percoco wrote: On 27/02/14 12:12 +0800,

Re: [openstack-dev] UTF-8 required charset/encoding for openstack database?

2014-03-18 Thread Zhi Yan Liu
Hi Doug, On Wed, Mar 19, 2014 at 6:08 AM, Doug Hellmann doug.hellm...@dreamhost.com wrote: On Mon, Mar 10, 2014 at 4:02 PM, Ben Nemec openst...@nemebean.com wrote: On 2014-03-10 12:24, Chris Friesen wrote: Hi, I'm using havana and recent we ran into an issue with heat related to

Re: [openstack-dev] [Glance] Nominating Arnaud Legendre for Glance Core

2014-03-13 Thread Zhi Yan Liu
+1. Nice work Arnaud! On Thu, Mar 13, 2014 at 5:09 PM, Flavio Percoco fla...@redhat.com wrote: On 12/03/14 19:19 -0700, Mark Washenberger wrote: Hi folks, I'd like to nominate Arnaud Legendre to join Glance Core. Over the past cycle his reviews have been consistently high quality and I

Re: [openstack-dev] [Nova] FFE Request: Ephemeral RBD image support

2014-03-11 Thread Zhi Yan Liu
Jay thanks your correct analysis and quick fix. zhiyan On Wed, Mar 12, 2014 at 4:11 AM, Jay Pipes jaypi...@gmail.com wrote: On Tue, 2014-03-11 at 14:18 -0500, Matt Riedemann wrote: On 3/10/2014 11:20 AM, Dmitry Borodaenko wrote: On Fri, Mar 7, 2014 at 8:55 AM, Sean Dague s...@dague.net

Re: [openstack-dev] [Nova] FFE Request: Ephemeral RBD image support

2014-03-06 Thread Zhi Yan Liu
+1! according to the low rise and the usefulness for the real cloud deployment. zhiyan On Thu, Mar 6, 2014 at 4:20 PM, Andrew Woodward xar...@gmail.com wrote: I'd Like to request A FFE for the remaining patches in the Ephemeral RBD image support chain https://review.openstack.org/#/c/59148/

Re: [openstack-dev] [Cinder] Status of multi-attach-volume work

2014-03-05 Thread Zhi Yan Liu
Hi, We decided multi-attach feature must be implemented as an extension to core functionality in Cinder, but currently we have not a clear extension support in Cinder, IMO it's the biggest blocker now. And the other issues have been listed at

Re: [openstack-dev] [glance][nova]improvement-of-accessing-to-glance

2014-02-03 Thread Zhi Yan Liu
I have a related BP: https://blueprints.launchpad.net/glance/+spec/image-location-selection-strategy IMO, as I mentioned in its description, it can be applied in glance and consumer (glance's client) both sides: in glance internal, this can be used for image-download handling and direct_url_

Re: [openstack-dev] [glance]A question abount the x-image-meta-property parameter.

2014-01-26 Thread Zhi Yan Liu
One quick question, do you think there is a potential backward-capability breaking issue for end user or ISV if we remove existing standardizing/normalizing logic? I'd like to know the gains/advantages on this fix. thanks, zhiyan Sent from my iPad On 2014年1月26日, at 23:49, Fei Long Wang

Re: [openstack-dev] [Glance] Is the 'killed' state ever set in v2?

2014-01-26 Thread Zhi Yan Liu
FSM +1 https://blueprints.launchpad.net/glance/+spec/image-status-global-state-machine btw, I remember I had posted this information in your change as a review comment, which is a simple state validation mechanism in image domain object and already been merged. thanks, zhiyan On Mon, Jan 27,

Re: [openstack-dev] [glance]A question abount the x-image-meta-property parameter.

2014-01-26 Thread Zhi Yan Liu
: Inactive hide details for Zhi Yan Liu ---01/27/2014 01:02:40 AM---One quick question, do you think there is a potential backwar]Zhi Yan Liu ---01/27/2014 01:02:40 AM---One quick question, do you think there is a potential backward-capability breaking issue for end use From: Zhi Yan Liu lzy

Re: [openstack-dev] [Glance][Oslo] Pulling glance.store out of glance. Where should it live?

2013-12-23 Thread Zhi Yan Liu
On Mon, Dec 23, 2013 at 10:26 PM, Flavio Percoco fla...@redhat.com wrote: On 23/12/13 09:00 -0500, Jay Pipes wrote: On 12/23/2013 08:48 AM, Mark Washenberger wrote: On Mon, Dec 23, 2013 at 4:57 AM, Jay Pipes jaypi...@gmail.com mailto:jaypi...@gmail.com wrote: On 12/23/2013 05:42 AM,

Re: [openstack-dev] [cinder] weekly meeting

2013-12-16 Thread Zhi Yan Liu
Hello John, 04:00 or 05:00 UTC works for me too. On Tue, Dec 17, 2013 at 12:05 PM, John Griffith john.griff...@solidfire.com wrote: On Mon, Dec 16, 2013 at 8:57 PM, 赵钦 chaoc...@gmail.com wrote: Hi John, I think the current meeting schedule, UTC 16:00, basically works for China TZ (12AM),

Re: [openstack-dev] [Glance] How to handle simple janitorial tasks?

2013-11-28 Thread Zhi Yan Liu
Hi Koo, On Fri, Nov 29, 2013 at 9:15 AM, David koo david@huawei.com wrote: Hi All, A quick question about simple janitorial tasks ... I noticed that glance.api.v2.image_data.ImageDataController.upload has two identical except clauses (circa line 98): except

Re: [openstack-dev] [Glance] How to handle simple janitorial tasks?

2013-11-28 Thread Zhi Yan Liu
https://bugs.launchpad.net/bugs/1256207 On Fri, Nov 29, 2013 at 1:08 PM, Zhi Yan Liu lzy@gmail.com wrote: Hi Koo, On Fri, Nov 29, 2013 at 9:15 AM, David koo david@huawei.com wrote: Hi All, A quick question about simple janitorial tasks ... I noticed that glance.api.v2

Re: [openstack-dev] excessively difficult to support both iso8601 0.1.4 and 0.1.8 as deps

2013-11-27 Thread Zhi Yan Liu
. If it doesn't work with other projects, we should work to help those projects get updated to work with it. --Morgan On Thursday, October 24, 2013, Zhi Yan Liu wrote: Hi all, Adopt 0.1.8 as iso8601 minimum version: https://review.openstack.org/#/c/53567/ zhiyan

Re: [openstack-dev] [Glance] Summit Session Summaries

2013-11-16 Thread Zhi Yan Liu
Awesome Mark! It's really useful to help us start next works to organize, prioritize and realize icehouse BPs, thanks. Seems here is a good place to continue our discussion around my proposal so I have added some inline replies to Enhancing Image Locations section, you know 50 mins is a little

[openstack-dev] [Glance] multi-hypervisor support

2013-11-13 Thread Zhi Yan Liu
Hello folks, I proposed a session on this summit [1], one item of it is to enhance Glance multi-location feature to support multi-hypervisor deployment environment, for example in this scenario KVM images could potentially be stored on GlusterFS supported for KVM compute nodes whereas ESX images

Re: [openstack-dev] [Glance] async workers interface design.

2013-10-17 Thread Zhi Yan Liu
Hi Nikhil, On Fri, Oct 18, 2013 at 7:55 AM, Nikhil Komawar nikhil.koma...@rackspace.com wrote: Hi all, There seem to be varying ideas about the worker interface design for our blueprint async-glance-workers. Fei and Zhi already have posted detailed comments on

Re: [openstack-dev] Waiting for someone to verify/look into a bug I have opened for Glance Client tool

2013-09-30 Thread Zhi Yan Liu
On Mon, Sep 30, 2013 at 10:50 PM, Iccha Sethi iccha.se...@rackspace.com wrote: Maty, Can you link the launchpad bug? I have used image-list for glance v2 and it seemed to work fine for me. Maybe you could provide more details? Also maybe we should continue this discussion on openstack

Re: [openstack-dev] [Glance] Proposed S3 multi-part upload functionality

2013-09-29 Thread Zhi Yan Liu
On Mon, Sep 30, 2013 at 12:22 PM, Masashi Ozawa moz...@cloudian.com wrote: Hi everyone, We already created the blueprint for this feature below belore, if Glance can use S3 MultiPart Upload REST API for the large objects in future release as Amazon recommends it for the large object to be

Re: [openstack-dev] FFE Request: Make RBD Usable for Ephemeral Storage

2013-09-17 Thread Zhi Yan Liu
On Wed, Sep 18, 2013 at 6:16 AM, Mike Perez thin...@gmail.com wrote: Folks, Currently in Havana development, RBD as ephemeral storage has serious stability and performance issues that makes the Ceph cluster a bottleneck for using an image as a source. Nova has to currently communicate with