Hi, we also had to deal with slow dashboard, in our case it was a misconfiguration of memcached , . Check with your configuration and make sure you use oslo.cache. Hope this helps!  https://bugs.launchpad.net/keystone/+bug/1587777  https://ask.openstack.org/en/question/102611/how-to-configure-memcache-in-openstack-ha/ Zitat von é«?æ?¾ <gaosong1 at syswin.com>: > After kill one node of a cluster which consist of three nodes, > I found that Horizon based on keystone with provider set to fernet > respondes very slowly. > Admin login will cost at least 20 senconds. > And cli verbose command return show making authentication is stuck > about 5 senconds. > Any help will be appreciated.