3ae997e3d6
The local resource caching mechanism may cause legacy resource info resided in the local cache and never be cleaned, uless the service being restarted. e.g. an instance has been migrated to another host, the instance info will reside in the cache on the ceilometer-polling service running on the old compute host. Change-Id: I55f12ea9f6f6104de6a38b98ad935d458a7b0cc8 Closes-Bug: #1594285 Closes-Bug: #1656166