On 30/05/16 17:59, Eugen Block wrote: > Hi *, > > we're running Openstack on top of Leap 42.1. Since switching to Mitaka, > we're experiencing severe delays when accessing the dashboard - i.e. > switching between "Compute - Overview" and "Compute - Instances" takes > 15+ seconds, even after multiple invocations. > > I've had a look at the requests, the Apache logs and our control node's > stats and noticed that it's a single call that's taking all the time... > I see no indications of any error, it seems that once WSGI is invoked, > that call simply takes its time. Intermediate curl requests are logged, > so I see it's doing its work. Looking at "vmstat" I can see that it's > user space taking all the load (Apache / mod_wsgi drives its CPU to > 100%, while other CPUs are idle - and no i/o wait, no system space etc.). > > Current test, switching to "Overview" took 13.09 secs loading > http://control1/project/. Switching back to "Instances" took 14.7 secs > for http://control1/project/instances/. Ain't no fun using the dashboard > that way... and we did not see this with previous releases. > > Do others see the same slowness or is it likely some (system or > Openstack) configuration issue on our side? > I believe, I saw something comparable, but thought it was due to my setup.
You mentioned, you already identified a single call taking all the time: which one is it? Could you please file a bug? https://bugs.launchpad.net/horizon It could be either Horizon or nova API (or both) being slow. -- Matthias Runge <mru...@redhat.com> Red Hat GmbH, http://www.de.redhat.com/, Registered seat: Grasbrunn, Commercial register: Amtsgericht Muenchen, HRB 153243, Managing Directors: Paul Argiry, Charles Cachera, Michael Cunningham, Michael O'Neill _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
