Locality for Replication Sets/Clusters

Registered by Peter Stachowski on 2016-02-25

At times it is desirable to control where replicas in a replication set and instances in a cluster are created. In the case of read slaves, there may be a requirement to ensure that all replicas are on the same hypervisor, whereas for fault tolerance it may be desired that all replicas are created on different hypervisors. The same goes for clusters (mostly for anti-affinity here). Locality support would seek to address this issue.

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
Peter Stachowski
Direction:
Needs approval
Assignee:
Peter Stachowski
Definition:
New
Series goal:
Accepted for newton
Implementation:
Unknown
Milestone target:
milestone icon next

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Gerrit topic: https://review.openstack.org/#q,topic:bp/replication-cluster-locality,n,z

Addressed by: https://review.openstack.org/300669
    Locality support for replication

Addressed by: https://review.openstack.org/301936
    Locality support for clusters

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