Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-22 Thread Wang, Shane
Sandy Walsh wrote onĀ 2013-07-19: > > > On 07/19/2013 09:47 AM, Day, Phil wrote: >>> -Original Message- >>> From: Sean Dague [mailto:s...@dague.net] >>> Sent: 19 July 2013 12:04 >>> To: OpenStack Development Mailing List >>> S

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-22 Thread Julien Danjou
On Fri, Jul 19 2013, Sean Dague wrote: > I assume it would gracefully degrade to the existing static allocators if > something went wrong. If not, well that would be very bad. > > Ceilometer is an integrated project in Havana. Utilization based scheduling > would be a new feature. I'm not sure why

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-19 Thread Sandy Walsh
On 07/19/2013 12:30 PM, Sean Dague wrote: > On 07/19/2013 10:37 AM, Murray, Paul (HP Cloud Services) wrote: >> If we agree that "something like capabilities" should go through Nova, >> what do you suggest should be done with the change that sparked this >> debate: https://review.openstack.org/#/c

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-19 Thread Boris Pavlovic
I think that current approach of Scheduler is not scalable and not flexible. if we add key/value this will make our scheduler flexible but with tons of hacks and less scalable. We will get a tons of problems even on small 1k nodes cloud. We found another approach (just remove DB) this will so

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-19 Thread Sean Dague
On 07/19/2013 10:37 AM, Murray, Paul (HP Cloud Services) wrote: If we agree that "something like capabilities" should go through Nova, what do you suggest should be done with the change that sparked this debate: https://review.openstack.org/#/c/35760/ I would be happy to use it or a modified v

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-19 Thread Murray, Paul (HP Cloud Services)
Sean Dague [mailto:s...@dague.net] Sent: 19 July 2013 14:28 To: OpenStack Development Mailing List Subject: Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling On 07/19/2013 08:30 AM, Andrew Laski wrote: > On 07/19/13 at 12:08pm, Murray, Paul (HP Cloud Services)

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-19 Thread Sean Dague
On 07/19/2013 08:30 AM, Andrew Laski wrote: On 07/19/13 at 12:08pm, Murray, Paul (HP Cloud Services) wrote: Hi Sean, Do you think the existing static allocators should be migrated to going through ceilometer - or do you see that as different? Ignoring backward compatibility. It makes sense to

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling

2013-07-19 Thread Sandy Walsh
On 07/19/2013 09:47 AM, Day, Phil wrote: >> -Original Message- >> From: Sean Dague [mailto:s...@dague.net] >> Sent: 19 July 2013 12:04 >> To: OpenStack Development Mailing List >> Subject: Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics &g

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was: New DB column or new DB table?)

2013-07-19 Thread Day, Phil
> -Original Message- > From: Sean Dague [mailto:s...@dague.net] > Sent: 19 July 2013 12:04 > To: OpenStack Development Mailing List > Subject: Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics > collector for scheduling (was: New DB column or new DB table?)

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was: New DB column or new DB table?)

2013-07-19 Thread Andrew Laski
On 07/19/13 at 07:04am, Sean Dague wrote: On 07/19/2013 06:18 AM, Day, Phil wrote: Ceilometer is a great project for taking metrics available in Nova and other systems and making them available for use by Operations, Billing, Monitoring, etc - and clearly we should try and avoid having multipl

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was: New DB column or new DB table?)

2013-07-19 Thread Andrew Laski
[Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was: New DB column or new DB table?) On 07/19/2013 06:18 AM, Day, Phil wrote: Ceilometer is a great project for taking metrics available in Nova and other systems and making them available for use by Operations, Billing, Monitoring,

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was: New DB column or new DB table?)

2013-07-19 Thread Murray, Paul (HP Cloud Services)
done it. Which way do you think that should be done? Paul. -Original Message- From: Sean Dague [mailto:s...@dague.net] Sent: 19 July 2013 12:04 To: OpenStack Development Mailing List Subject: Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was

Re: [openstack-dev] [Nova] Ceilometer vs. Nova internal metrics collector for scheduling (was: New DB column or new DB table?)

2013-07-19 Thread Sean Dague
On 07/19/2013 06:18 AM, Day, Phil wrote: Ceilometer is a great project for taking metrics available in Nova and other systems and making them available for use by Operations, Billing, Monitoring, etc - and clearly we should try and avoid having multiple collectors of the same data. But making