Yes, looks like MySQL was just configured with too low a max-connections value.
-amrith | -----Original Message----- | From: Jay Pipes [mailto:jaypi...@gmail.com] | Sent: Monday, September 29, 2014 12:58 PM | To: firstname.lastname@example.org | Subject: Re: [openstack-dev] [nova][cinder] (OperationalError) (1040, 'Too | many connections') None None | | On 09/29/2014 12:48 PM, Nader Lahouti wrote: | > Hi Jay, | > | > I login first and the recreated the problem and here is the log: | > http://paste.openstack.org/show/116776/ | | OK. Looks like there isn't anything wrong with your setup. I'm guessing | you have set up Keystone to run in Apache with 10 worker processes, and | you have the workers config option setting in nova.conf, neutron.conf and | all the other project configuration files set to 0, which will trigger a | number of worker processes equal to the number of CPU cores on your box, | which I'm guessing from looking at your SHOW FULL PROCESSLIST is around | 24-32 cores. | | Solution: either lower the workers configuration option from 0 to | something like 12, or increase the max_connections setting in your my.cnf | to something that can handle the worker processes from all the OpenStack | services (I'd recommend something like 2000). | | Best, | -jay | | _______________________________________________ | OpenStack-dev mailing list | OpenStackemail@example.com | http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev _______________________________________________ OpenStack-dev mailing list OpenStackfirstname.lastname@example.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev