API calls are slow on fresh OSP 16.2 installation, fine when upgraded from OSP13
Issue
High latencies can be seen on API calls on Heat, Keystone and Nova:
# openstack --debug --timing server list ( file 0160-openstack_server_list.out )
+---------------------------------------------------------------------------------------+-----------+
| URL | Seconds |
+---------------------------------------------------------------------------------------+-----------+
| GET https://os-controller1:13000/ | 0.020872 |
| POST https://os-controller1:13000/v3/auth/tokens | 0.564705 |
| POST https://os-controller1:13000/v3/auth/tokens | 0.605489 |
| GET https://os-controller1:13774/v2.1/servers/detail | 14.243243 | <=
| GET https://os-controller1:13774/v2.1/flavors/detail?is_public=None | 6.032682 | <=
| Total | 21.466991 |
+---------------------------------------------------------------------------------------+-----------+
Environment
- Red Hat Openstack Platform 16.2
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