Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-14 Thread Renat Akhmerov
On 13 нояб. 2013 г., at 6:39, Angus Salkeld asalk...@redhat.com wrote: Your work mates;) https://github.com/rackerlabs/qonos how about merge qonos into mistral, or at lest put it into stack forge? Just got to looking at qonos. It actually looks similar in some ways to Mistral but with some

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-14 Thread Zane Bitter
On 14/11/13 11:29, Renat Akhmerov wrote: As for EventScheduler proposal, I think it actually fits Mistral model very well. What described in EvenScheduler is basically the ability to configure webhooks to be called periodically or at a certain time. First of all, from the very beginning the

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-14 Thread Renat Akhmerov
On 14 Nov 2013, at 18:03, Zane Bitter zbit...@redhat.com wrote: What might be a downside is that sharing a back-end may not be technically convenient - one thing we have been reminded of in Heat is that a service with timed tasks has to be scaled out in a completely different way to a

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-14 Thread Zane Bitter
On 14/11/13 12:26, Renat Akhmerov wrote: On 14 Nov 2013, at 18:03, Zane Bitter zbit...@redhat.com mailto:zbit...@redhat.com wrote: What might be a downside is that sharing a back-end may not be technically convenient - one thing we have been reminded of in Heat is that a service with timed

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-14 Thread Christopher Armstrong
On Thu, Nov 14, 2013 at 4:29 AM, Renat Akhmerov rakhme...@mirantis.comwrote: As for EventScheduler proposal, I think it actually fits Mistral model very well. What described in EvenScheduler is basically the ability to configure webhooks to be called periodically or at a certain time. First of

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-14 Thread Renat Akhmerov
On 14 Nov 2013, at 21:46, Zane Bitter zbit...@redhat.com wrote: If you have a service that is stateless and only responds to user requests, then scaling it out is easy (just stick it behind a load balancer). If it has state (i.e. a database), things become a whole lot more complicated to

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-13 Thread Renat Akhmerov
On 13 нояб. 2013 г., at 6:39, Angus Salkeld asalk...@redhat.com wrote: On 12/11/13 15:13 -0800, Christopher Armstrong wrote: Given the recent discussion of scheduled autoscaling at the summit session on autoscaling, I looked into the state of scheduling-as-a-service in and around OpenStack.

Re: [openstack-dev] [heat][mistral] EventScheduler vs Mistral scheduling

2013-11-12 Thread Angus Salkeld
On 12/11/13 15:13 -0800, Christopher Armstrong wrote: Given the recent discussion of scheduled autoscaling at the summit session on autoscaling, I looked into the state of scheduling-as-a-service in and around OpenStack. I found two relevant wiki pages: