Merge "Doc improvements"
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@ -21,20 +21,20 @@ Selecting a database backend for Ceilometer should not be done lightly for
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numerous reasons:
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1. Not all backend drivers are equally implemented and tested. To help you
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make your choice, the below indications will give you some idea of the
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make your choice, the table below will give you some idea of the
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status of each of the drivers available in trunk. Note that we do welcome
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patches to improve completeness and quality of drivers.
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2. It may not be a good idea to use the same host as another database as
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Ceilometer can generate a LOT OF WRITES. For this reason it is generally
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recommended, if the deployement is targeting going into production, to use
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recommended, if the deployment is targeting going into production, to use
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a dedicated host, or at least a VM which will be migratable to another
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physical host if needed. The following spreadsheet can help you get an
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idea of the volumes that ceilometer can generate:
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`Google spreadsheet <https://docs.google.com/a/enovance.com/spreadsheet/ccc?key=0AtziNGvs-uPudDhRbEJJOHFXV3d0ZGc1WE9NLTVPX0E#gid=0>`_
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3. If you are relying on this backend to bill customers, you will note that
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its reliability is very much linked to your capacity to generate revenue,
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your capacity to generate revenue is very much linked to its reliability,
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which seems to be a factor dear to many managers.
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The following is a table indicating the status of each database drivers:
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@ -85,6 +85,11 @@ network.outgoing.packets Cumulative packets iface ID pollster number o
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======================== ========== ======== ======== ============ =======================================================
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At present, most of the Nova meters will only work with libvirt front-end
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hypervisors while test coverage was mostly done based on KVM. Contributors
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are welcome to implement other virtualization backends’ meters or complete
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the existing ones.
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Network (Quantum)
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=================
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