Hi, You could try to use osProfiler. Fabian Tony Liu <tonyliu0592 at hotmail.com> schrieb am Fr., 11. Sept. 2020, 06:24: > Hi, > > I built a Ussuri cluster with 3 controllers and 5 compute nodes. > OpenStack CLI ran pretty fast at the beginning, but gets slower > over time along with increased workloads. Right now, it takes > about 30s to list 10 VMs. The CPU, memory and disk usage are on > those 3 controllers are all in the range. I understand there are > many API calls happening behind CLI. I'd like to figure out how > this 30s is consumed, which call is the killer. > Any guidance or hint would be helpful. > > > Thanks! > Tony > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20200911/6de7d2f7/attachment.html>