Re: [openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-24 Thread Michał Dulko
On 05/24/2016 04:38 PM, Gorka Eguileor wrote: > On 23/05, Ivan Kolodyazhny wrote: >> Hi developers and operators, >> I would like to get any feedback from you about my idea before I'll start >> work on spec. >> >> In Nova, we've got max_concurrent_builds option [1] to set 'Maximum number >> of in

Re: [openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-24 Thread Gorka Eguileor
On 23/05, Ivan Kolodyazhny wrote: > Hi developers and operators, > I would like to get any feedback from you about my idea before I'll start > work on spec. > > In Nova, we've got max_concurrent_builds option [1] to set 'Maximum number > of instance builds to run concurrently' per each compute. Th

Re: [openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-24 Thread Duncan Thomas
On 24 May 2016 at 05:46, John Griffith wrote: > > ​Just curious about a couple things: Is this attempting to solve a > problem in the actual Cinder Volume Service or is this trying to solve > problems with backends that can't keep up and deliver resources under heavy > load? > I would posit tha

Re: [openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-23 Thread John Griffith
On Mon, May 23, 2016 at 8:32 AM, Ivan Kolodyazhny wrote: > Hi developers and operators, > I would like to get any feedback from you about my idea before I'll start > work on spec. > > In Nova, we've got max_concurrent_builds option [1] to set 'Maximum number > of instance builds to run concurrent

Re: [openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-23 Thread Sean McGinnis
On Mon, May 23, 2016 at 05:32:45PM +0300, Ivan Kolodyazhny wrote: > Hi developers and operators, > I would like to get any feedback from you about my idea before I'll start > work on spec. > > In Nova, we've got max_concurrent_builds option [1] to set 'Maximum number > of instance builds to run co

Re: [openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-23 Thread Alex Meade
This sounds like a good idea to me. The queue doesn't handle this since we just read everything off immediately anyways. I have seen issues where customers have to write scripts that build 5 volumes, sleep, then build more until they get >100 volumes. Just because a Cinder volume service will clobb

[openstack-dev] [openstack-operators][cinder] max_concurrent_builds in Cinder

2016-05-23 Thread Ivan Kolodyazhny
Hi developers and operators, I would like to get any feedback from you about my idea before I'll start work on spec. In Nova, we've got max_concurrent_builds option [1] to set 'Maximum number of instance builds to run concurrently' per each compute. There is no equivalent Cinder. Why do we need i