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..
Copyright 2014 IBM Corp.
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
a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations
under the License.
.. _measurements:
=============
Measurements
=============
A component that contains statistical or measurement information for TARGET
resources that are being monitored. The measurement should be based upon a
defined metric (a method of measurement).
============ =============== ========= =================================================================================================================
Property Type Required Description
============ =============== ========= =================================================================================================================
result xs:any Yes The quantitative or qualitative result of a measurement from applying the associated metric
metric cadf:Metric Dependent The property describes the metric used in generating the measurement result. Required if not metricId
metricId cadf:Identifier Dependent This property identifies a CADF Metric by reference and whose definition exists elsewhere. Required if not metric
calculatedBy cadf:Resource No An optional description of the resource that calculated the measurement
============ =============== ========= =================================================================================================================
Metrics
=======
The Metric data type describes the rules and processes for measuring some
activity or resource, resulting in the generation of some values (captured by
the Measurement type).
=========== =============== ======== ==================================================
Property Type Required Description
=========== =============== ======== ==================================================
metricId cadf:identifier Yes The identifier for the metric.
unit xs:string Yes The metrics unit (e.g., "ms", "Hz", "GB", etc.)
name xs:string No A descriptive name for metric
annotations cadf:map No User-defined metric information.
=========== =============== ======== ==================================================
Serialisation
=============
.. code-block:: javascript
{
"typeURI": "http://schemas.dmtf.org/cloud/audit/1.0/log",
...,
"metrics": [
{
"metricId": "myuuid://metric.org/1234",
"unit": "GB",
"name": "Storage Capacity in Gigabytes"
}
],
...,
"events": [
{
"typeURI": "http://schemas.dmtf.org/cloud/audit/1.0/event",
...,
"measurements": [
{
"result": "10",
"metricId": "myuuid://metric.org/1234"
}
]
}
]
}
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