Tag Archives: conductor

October 6, 2015
06:35
by: Dan

Upgrades in Nova: Objects

This is a part of a series of posts on the details of how Nova supports live upgrades. It focuses on a very important layer that plays several roles in the system, providing a versioned RPC and database-independent facade for … Continue reading →

Posted in OpenStack Tagged , , , , , ,

April 22, 2013
21:45
by: Dan

Dan’s Partial Summary of the Nova Track

Last week, OpenStack developers met in Portland, OR for the Havana Design Summit. Being mostly focused on Nova development, I spent almost all of my time in that track. Below are some observations not yet covered by other folks. Baremetal … Continue reading →

Posted in OpenStack Tagged , , , , , ,

February 7, 2013
22:32
by: Dan

All your DB are belong to conductor

Well, it’s done. Hopefully. Over the last year, Nova has had a goal of removing direct database access from nova-compute. This has a lot of advantages, especially around security and rolling upgrade abilities, but also brings some complexity and change. Much … Continue reading →

Posted in Codemonkeying, Linux, OpenStack Tagged , , , ,