[openstack-dev] Scheduler meeting and Icehouse Summit
Alex Glikson
GLIKSON at il.ibm.com
Mon Oct 14 17:56:49 UTC 2013
IMO, the three themes make sense, but I would suggest waiting until the
submission deadline and discuss at the following IRC meeting on the 22nd.
Maybe there will be more relevant proposals to consider.
Regards,
Alex
P.S. I plan to submit a proposal regarding scheduling policies, and maybe
one more related to theme #1 below
From: "Day, Phil" <philip.day at hp.com>
To: OpenStack Development Mailing List
<openstack-dev at lists.openstack.org>,
Date: 14/10/2013 06:50 PM
Subject: Re: [openstack-dev] Scheduler meeting and Icehouse Summit
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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