Resize instance base on workload

Registered by Jinquan Ni on 2016-06-07

In Watcher, administrator can metric the workload of instance and Node, and
watcher can to balance or combine the workload of Node by live migration.

Obviously, the workload of VM is a important feature about user experience. We
will get a good experience and resource optimization if we can adjust the
instance's flavor to the optimum status.

This is the reason why, we should resize instance base on it's workload.

However, watcher and nova can't automatic optimize the instance by resize which
are overload although the cloud environment has free resource.

Use case 1:
As a end user,
I want watcher can to resize the instance to a large flavor when it metric that
instance has a very high workload. In order to Instance can be efficient to deal with overload business.

Use case 2:
As a end user,
I want watcher can to resize the instance to a small flavor when it metric that
instance has a very low workload. In order to Cloud environment use resources more effectively.

Blueprint information

Status:
Complete
Approver:
Antoine Cabot
Priority:
Low
Drafter:
Jinquan Ni
Direction:
Approved
Assignee:
None
Definition:
Obsolete
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Antoine Cabot on 2017-01-26

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