openstack/deb-ceilometer
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Julien Danjou 2013-07-04 15:38:21 +02:00
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doc/source/glossary.rst
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Copyright 2012 New Dream Network (DreamHost) Copyright 2012 New Dream Network (DreamHost)
Copyright 2013 eNovance
Licensed under the Apache License, Version 2.0 (the "License"); you may Licensed under the Apache License, Version 2.0 (the "License"); you may
not use this file except in compliance with the License. You may obtain not use this file except in compliance with the License. You may obtain
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Software service running on the OpenStack infrastructure Software service running on the OpenStack infrastructure
measuring usage and sending the results to the :term:`collector`. measuring usage and sending the results to the :term:`collector`.
alarm
An action triggered whenever a meter reaches a certain threshold.
API server API server
HTTP REST API service for ceilometer. HTTP REST API service for ceilometer.
ceilometer ceilometer
From WikiPedia [#]_: From Wikipedia [#]_:
A ceilometer is a device that uses a laser or other light A ceilometer is a device that uses a laser or other light
source to determine the height of a cloud base. source to determine the height of a cloud base.
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values (e.g. number of Swift objects) values (e.g. number of Swift objects)
* Delta: Incremental change to a counter over time (e.g. bandwidth delta) * Delta: Incremental change to a counter over time (e.g. bandwidth delta)
notification
A message sent via an external OpenStack system (e.g Nova, Glance,
etc) using the Oslo notification mechanism [#]_. These notifications
are usually sent to and received by Ceilometer through the notifier
RPC driver.
non-repudiable non-repudiable
From WikiPedia [#]_: From Wikipedia [#]_:
Non-repudiation refers to a state of affairs where the purported Non-repudiation refers to a state of affairs where the purported
maker of a statement will not be able to successfully challenge maker of a statement will not be able to successfully challenge
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The OpenStack tenant or project. The OpenStack tenant or project.
resource resource
The OpenStack entity being metered (e.g. instance, volume, image, etc.). The OpenStack entity being metered (e.g. instance, volume, image, etc).
sample sample
Data sample for a particular meter. Data sample for a particular meter.
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An OpenStack user. An OpenStack user.
.. [#] http://en.wikipedia.org/wiki/Ceilometer .. [#] http://en.wikipedia.org/wiki/Ceilometer
.. [#] https://github.com/openstack/oslo-incubator/tree/master/openstack/common/notifier
.. [#] http://en.wikipedia.org/wiki/Non-repudiation .. [#] http://en.wikipedia.org/wiki/Non-repudiation