From a63622a5334b0c620ffaaca0126d8caf8f34e20b Mon Sep 17 00:00:00 2001 From: Dan Florea Date: Thu, 21 Feb 2013 02:20:23 -0800 Subject: [PATCH] Add glossary definitions for additional terms Add glossary definitions for the following: meter, project, resource, sample, source, user. Fixes bug 1070382 Change-Id: I56120cafcdb6faa160724e7774c6e54a25e1bf43 --- doc/source/glossary.rst | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/doc/source/glossary.rst b/doc/source/glossary.rst index a540675557..a69c122326 100644 --- a/doc/source/glossary.rst +++ b/doc/source/glossary.rst @@ -51,6 +51,16 @@ data store Storage system for recording data collected by ceilometer. + meter + The measurements tracked for a resource. For example, an instance has + a number of meters, such as duration of instance, CPU time used, + number of disk io requests, etc. + Three types of meters are defined in ceilometer: + * Cumulative: Increasing over time (e.g. disk I/O) + * Gauge: Discrete items (e.g. floating IPs, image uploads) and fluctuating + values (e.g. number of Swift objects) + * Delta: Incremental change to a counter over time (e.g. bandwidth delta) + non-repudiable From WikiPedia [#]_: @@ -61,5 +71,22 @@ is being challenged. In such an instance, the authenticity is being "repudiated". + project + The OpenStack tenant or project. + + resource + The OpenStack entity being metered (e.g. instance, volume, image, etc.). + + sample + Data sample for a particular meter. + + source + The origin of metering data. This field is set to "openstack" by default. + It can be configured to a different value using the counter_source field + in the ceilometer.conf file. + + user + An OpenStack user. + .. [#] http://en.wikipedia.org/wiki/Ceilometer .. [#] http://en.wikipedia.org/wiki/Non-repudiation