Open Stack

I am testing the ceilometer high availability. Can someone please clarify
the following -

- As per docs the current setup support only Active/Passive central agent.
Is there any future developments to support Active/Active setup ?
- I assume Ceilometer Collector and API can be in Active/Active ? Any
suggestions ?
- Has anyone tested or did some work on Active/Active mode ?
- We have multiple openstack endpoints. Does Ceilometer supports polling
multiple openstack environments ?

Thanks,
Prashanth
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