Sounds like: https://bugs.launchpad.net/keystone/+bug/1251123 On Friday, January 3, 2014 at 8:38 PM, Xu (Simon) Chen wrote: > Hi folks, > > I am having trouble with using memcache as the keystone token backend. I have three keystone nodes running active/active. Each is running keystone on apache (for kerberos auth). I recently switched from using sql backend to memcache, while have memcached running on all three of the keystone nodes. > > This setup would run well for a while, but then apache would start to hog CPUs, and memcached would increase to 30% or so. I tried to increase memcached cluster from 3 to 6 nodes, but in general the performance is much worse compared to sql backend. > > Any ideas? > > Thanks. > -Simon > > > > > > > > > > > > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org (mailto:openstack at lists.openstack.org) > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20140107/fdaef2dd/attachment.html>