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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>> Agreed. I'm just thinking on the opportunity of providing a REST API<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> on top of the scheduler RPC API with a 1:1 matching, so that the Gantt<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> project would step up by itself. I don't think it's a hard stuff, provided I<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> already did that stuff for Climate (providing Pecan/WSME API). What<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>> do you think about it ? Even if it's not top priority, that's a quickwin.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Well, I’m not sure about “quickwin”, though </span><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> I think that we should focus on the main objective of having a self-contained Gantt working with Nova first. Some of the interaction issues still worry me, especially the host_state & host_update queries. These issues will have impact on the Gantt API (at least for Nova to use), so I’m not sure the current RPC API will hold up either. But I will not discourage any personal effort </span><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Sylvain Bauza [mailto:sylvain.bauza@gmail.com] <br><b>Envoyé :</b> mardi 18 février 2014 22:41<br><b>À :</b> OpenStack Development Mailing List (not for usage questions)<br><b>Objet :</b> Re: [openstack-dev] [Nova] Meetup Summary<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal>Hi Don,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>2014-02-18 21:28 GMT+01:00 Dugger, Donald D <<a href="mailto:donald.d.dugger@intel.com" target="_blank">donald.d.dugger@intel.com</a>>:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Sylvain-</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>As you can tell from the meeting today the scheduler sub-group is really not the gantt group meeting, I try to make sure that messages for things like the agenda and what not include both `gantt’ and `scheduler’ in the subject so it’s clear we’re talking about the same thing.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p></div></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>That's the main reason why I was unable to attend the previous scheduler meetings...<o:p></o:p></p></div><div><p class=MsoNormal>Now that I attended this today meeting, that's quite clear to me. I apologize for this misunderstanding, but as I can't dedicate all my time on Gantt/Nova, I have to make sure the time I'm taking on it can be worth it.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Now that we agreed on a plan for next steps, I think it's important to put the infos on Gantt blueprints, even if most of the changes are related to Nova. The current etherpad is huge, and frightening people who would want to contribute IMHO.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Note that our ultimate goal is to create a scheduler that is usable by other projects, not just nova, but that is a second task. The first task is to create a separate scheduler that will be usable by nova at a minimum. (World domination will follow later </span><span lang=EN-US style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></blockquote><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Agreed. I'm just thinking on the opportunity of providing a REST API on top of the scheduler RPC API with a 1:1 matching, so that the Gantt project would step up by itself. I don't think it's a hard stuff, provided I already did that stuff for Climate (providing Pecan/WSME API). What do you think about it ? Even if it's not top priority, that's a quickwin.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-Sylvain<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>--</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Don Dugger</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>"Censeo Toto nos in Kansa esse decisse." - D. Gale</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ph: <a href="tel:303%2F443-3786" target="_blank">303/443-3786</a></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Sylvain Bauza [mailto:<a href="mailto:sylvain.bauza@gmail.com" target="_blank">sylvain.bauza@gmail.com</a>] <br><b>Sent:</b> Monday, February 17, 2014 4:26 PM<br><b>To:</b> OpenStack Development Mailing List (not for usage questions)<br><b>Subject:</b> Re: [openstack-dev] [Nova] Meetup Summary</span><span lang=EN-US><o:p></o:p></span></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Hi Russell and Don,<o:p></o:p></span></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>2014-02-17 23:41 GMT+01:00 Russell Bryant <<a href="mailto:rbryant@redhat.com" target="_blank">rbryant@redhat.com</a>>:<o:p></o:p></span></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Greetings,<br><br><br>2) Gantt - We discussed the progress of the Gantt effort. After<br>discussing the problems encountered so far and the other scheduler work<br>going on, the consensus was that we really need to focus on decoupling<br>the scheduler from the rest of Nova while it's still in the Nova tree.<br><br>Don was still interested in working on the existing gantt tree to learn<br>what he can about the coupling of the scheduler to the rest of Nova.<br>Nobody had a problem with that, but it doesn't sound like we'll be ready<br>to regenerate the gantt tree to be the "real" gantt tree soon. We<br>probably need another cycle of development before it will be ready.<br><br>As a follow-up to this, I wonder if we should rename the current gantt<br>repository from openstack/gantt to stackforge/gantt to avoid any<br>possible confusion. We should make it clear that we don't expect the<br>current repo to be used yet.<o:p></o:p></span></p></blockquote><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>There is currently no precise meeting timeslot for Gantt but the one with Nova scheduler subteam. Would it be possible to have a status on the current path for Gantt so that people interested in joining the effort would be able to get in ?<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>There is currently a discussion on how Gantt and Nova should interact, in particular regarding HostState and how Nova Computes could update their status so as Gantt would be able to filter on them. There are also other discussions about testing, API, etc. so I'm just wondering how to help and where.<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>On a side note, if Gantt is becoming a Stackforge project planning to have Nova scheduling first, could we also assume that we could also implement this service for being used by other projects (such as Climate) in parallel with Nova ? <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>The current utilization-aware-scheduling blueprint is nearly done so that it can be used for other queries than just Nova scheduling, but unfortunately as the scheduler is still part of Nova and without a REST API, it can't be leveraged on third-party projects.<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Thanks,<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>-Sylvain<o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>[1] : <a href="https://blueprints.launchpad.net/nova/+spec/utilization-aware-scheduling" target="_blank">https://blueprints.launchpad.net/nova/+spec/utilization-aware-scheduling</a><o:p></o:p></span></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p></div></div></div></div></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>OpenStack-dev mailing list<br><a href="mailto:OpenStack-dev@lists.openstack.org">OpenStack-dev@lists.openstack.org</a><br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></body></html>