492fe30747
There is a incorrect spelling of a word in thefile called ceilometer/doc/source/releasenotes/folsom.rst(line26). It is curently tested to work with OpenStack 2012.2 Folsom. I think the word "curently " should be spelled as "currently". Change-Id: I39f413e2fb6602cab828c87779826654296768f2 Closes-Bug: #1488766
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Copyright 2012 Nicolas Barcet for Canonical
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Licensed under the Apache License, Version 2.0 (the "License"); you may
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not use this file except in compliance with the License. You may obtain
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a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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License for the specific language governing permissions and limitations
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under the License.
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.. _folsom:
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====================
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Folsom
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====================
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This is the first release (Version 0.1) of Ceilometer. Please take all appropriate
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caution in using it, as it is a technology preview at this time.
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Version of OpenStack
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It is currently tested to work with OpenStack 2012.2 Folsom. Due to its use of
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openstack-common, and the modification that were made in term of notification
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to many other components (glance, cinder, quantum), it will not easily work
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with any prior version of OpenStack.
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Components
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Currently covered components are: Nova, Nova-network, Glance, Cinder and
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Quantum. Notably, there is no support yet for Swift and it was decided not
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to support nova-volume in favor of Cinder. A detailed list of meters covered
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per component can be found at in :ref:`measurements`.
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Nova with libvirt only
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Most of the Nova meters will only work with libvirt fronted hypervisors at the
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moment, and our test coverage was mostly done on KVM. Contributors are welcome
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to implement other virtualization backends' meters.
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Quantum delete events
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Quantum delete notifications do not include the same metadata as the other
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messages, so we ignore them for now. This isn't ideal, since it may mean we
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miss charging for some amount of time, but it is better than throwing away the
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existing metadata for a resource when it is deleted.
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Database backend
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The only tested and complete database backend is currently MongoDB, the
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SQLAlchemy one is still work in progress.
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Installation
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The current best source of information on how to deploy this project is found
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as the devstack implementation but feel free to come to #openstack-metering on
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freenode for more info.
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Volume of data
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Please note that metering can generate lots of data very quickly. Have a look
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at the following spreadsheet to evaluate what you will end up with.
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http://wiki.openstack.org/EfficientMetering#Volume_of_data
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