[openstack-dev] Scheduler meeting and Icehouse Summit

Day, Phil philip.day at hp.com
Mon Oct 14 15:44:33 UTC 2013


Hi Folks,

In the weekly scheduler meeting we've been trying to pull together a consolidated list of Summit sessions so that we can find logical groupings and make a more structured set of sessions for the limited time available at the summit.

https://etherpad.openstack.org/p/IceHouse-Nova-Scheduler-Sessions

With the deadline for sessions being this Thursday 17th, tomorrows IRC meeting is the last chance to decide which sessions we want to combine / prioritize.    Russell has indicated that a starting assumption of three scheduler sessions is reasonable, with any extras depending on what else is submitted.

I've matched the list on the Either pad to submitted sessions below, and added links to any other proposed sessions that look like they are related.


1) Instance Group Model and API
       	Session Proposal:  http://summit.openstack.org/cfp/details/190
      
2) Smart Resource Placement:
  	Session Proposal:  http://summit.openstack.org/cfp/details/33
       	Possibly related sessions: 	Resource optimization service for nova  (http://summit.openstack.org/cfp/details/201)

3) Heat and Scheduling and Software, Oh My!:
	Session Proposal: http://summit.openstack.org/cfp/details/113

4) Generic Scheduler Metrics and Celiometer:
	Session Proposal: http://summit.openstack.org/cfp/details/218
	Possibly related sessions:  Making Ceilometer and Nova play nice  http://summit.openstack.org/cfp/details/73

5) Image Properties and Host Capabilities
	Session Proposal:  NONE

6) Scheduler Performance:
	Session Proposal:  NONE
	Possibly related Sessions: Rethinking Scheduler Design  http://summit.openstack.org/cfp/details/34

7) Scheduling Across Services:
	Session Proposal: NONE

8) Private Clouds:
	Session Proposal:   http://summit.openstack.org/cfp/details/228

9) Multiple Scheduler Policies:
	Session Proposal: NONE


The proposal from last weeks meeting was to use the three slots for:
	- Instance Group Model and API   (1)
	- Smart Resource Placement (2)
	- Performance (6)

However, at the moment there doesn't seem to be a session proposed to cover the performance work ?

It also seems to me that the Group Model and Smart Placement are pretty closely linked along with (3) (which says it wants to combine 1 & 2 into the same topic) , so if we only have three slots available then these look like logical candidates for consolidating into a single session.    That would free up a session to cover the generic metrics (4) and Ceilometer - where a lot of work in Havana stalled because we couldn't get a consensus on the way forward.  The third slot would be kept for performance - which based on the lively debate in the scheduler meetings I'm assuming will still be submitted as a session.    Private Clouds isn't really a scheduler topic, so I suggest it takes its chances as a general session.  Hence my revised proposal for the three slots is:

  i) Group Scheduling / Smart Placement / Heat and Scheduling  (1), (2), (3), & (7)
	- How do you schedule something more complex that a single VM ?
	
ii) Generalized scheduling metrics / celiometer integration (4)
	- How do we extend the set of resources a scheduler can use to make its decisions ?
	- How do we make this work with  / compatible with Celiometer ?

iii) Scheduler Performance (6)
	 
In that way we will at least give airtime to all of the topics.     If a 4th scheduler slot becomes available then we could break up the first session into two parts.

Thoughts welcome here or in tomorrows IRC meeting.

Cheers,
Phil  

 











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