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Tag Archives: nova-upgrade-details
Upgrades in Nova: Database Migrations
This is a part of a series of posts on the details of how Nova supports live upgrades. It focuses on one of the more complicated pieces of the puzzle: how to do database schema changes with minimal disruption to … Continue reading
Posted in OpenStack
Tagged database, nova, nova-upgrade-details, online-migrations, schema, upgrades
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
Upgrades in Nova: RPC APIs
This is a part of a series of posts on the details of how Nova supports live upgrades. It focuses on the very important task of doing proper versioning and handling compatibility in your RPC APIs, which is a baseline … Continue reading
Posted in OpenStack
Tagged compatibility, nova, nova-upgrade-details, rpc, upgrades, versioning
Upgrades in Nova: The Details
Over the last few years, the Nova project has spent a lot of time on improving its story around live upgrades. We’ve made a lot of progress and done so with minimal disruption as we were figuring out how to … Continue reading
Posted in OpenStack
Tagged nova, nova-upgrade-details, upgrades