Re: [Openstack-operators] nova-api response time

2017-05-10 Thread Vladimir Prokofev
> George Mihaiescu > The data populating the instances tab in Dashboard comes from at least three API services (Nova, Glance and Neutron), so you have to look at all of them if you want to find the cause of the slowness. > There is a possible related bug report: > https://bugs.launchpad.net/keyston

Re: [Openstack-operators] nova-api response time

2017-05-07 Thread Lance Bragstad
Hi Vladimir, I can try and help with some of the keystone troubleshooting, but we might need some more information. On Fri, May 5, 2017 at 9:00 AM, Vladimir Prokofev wrote: > Writing things down always helps. > So I dug a little further, and seems that keystone is the weakest link. > It appears

Re: [Openstack-operators] nova-api response time

2017-05-07 Thread Matt Riedemann
On 5/5/2017 9:00 AM, Vladimir Prokofev wrote: Writing things down always helps. So I dug a little further, and seems that keystone is the weakest link. It appears that it takes 500-600ms to generate a token, similar time to validate it. This means that first time application accesses the API requ

Re: [Openstack-operators] nova-api response time

2017-05-05 Thread Vladimir Prokofev
Writing things down always helps. So I dug a little further, and seems that keystone is the weakest link. It appears that it takes 500-600ms to generate a token, similar time to validate it. This means that first time application accesses the API request will run at least 1000ms, or even more. Seco