Re: [openstack-dev] [neutron] Neutron agent internal data structures

2015-03-09 Thread Assaf Muller
- Original Message - Thank you. I am looking to read this state and compare it with neutron DB. If there are agents that do it already, I would like only to learn if I can change the polling period. Can you advise about the most efficient way to learn which agent does it and which

Re: [openstack-dev] [neutron] Neutron agent internal data structures

2015-03-08 Thread Leo Y
Thank you. I am looking to read this state and compare it with neutron DB. If there are agents that do it already, I would like only to learn if I can change the polling period. Can you advise about the most efficient way to learn which agent does it and which doesn't? Leonid On Sun, Mar 8, 2015

[openstack-dev] [neutron] Neutron agent internal data structures

2015-03-07 Thread Leo Y
Hello, Where within the code of neutron agents I can find structure(s) that store network information? The agent has to know all current networks and ports in use by all VMs that are running in its compute node. Does anyone know where this information is stored except for neutron DB? Thank you

Re: [openstack-dev] [neutron] Neutron agent internal data structures

2015-03-07 Thread Salvatore Orlando
Hi Leo, Every agent keeps anyway an in-memory state throughout its execution. The agents indeed have no persistent storage - at least not in the usual form of a database. They however rely on data other than the neutron database. For instance for the l2 agent, ovsdb itself is a source of