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doc: update glossary

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Add a few more terms that have special meaning in the context of WA to
the glossary.
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Sergei Trofimov 2018-06-25 16:25:58 +01:00 committed by Marc Bonnici
parent af95b5c990
commit c400591759
1 changed files with 52 additions and 3 deletions
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doc/source/glossary.rst
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@ -9,6 +9,24 @@ Glossary
and which augmentations will be enabled, etc. (For more information
please see :ref:`here <agenda-reference>`.)
Alias
An alias associated with a workload or a parameter. In case of
parameters, this is simply an alternative name for a parameter; Usually
these are employed to provide backward compatibility for renamed
parameters, or in cases where a there are several commonly used terms,
each equally valid, for something.
In case of Workloads, aliases can also be merely alternatives to the
workload name, however they can also alter the default values for the
parameters the Workload is instantiated with. A common scenario is when
a single workload can be run under several distinct configurations (e.g.
has several alternative tests that might be run) that are configurable
via a parameter. An alias may be added for each such configuration. In
order to see the available aliases for a workload, one can use :ref:`show
command <show-command>`\ .
.. seealso:: :term:`Global Alias`
Augmentation
Augmentations are plugins that augment the execution of
workload jobs with additional functionality; usually, that takes the
@ -22,6 +40,28 @@ Glossary
files. WA supports multiple "kinds" of artifacts and will handle them
accordingly, for more information please see :ref:`here <artifact>`.
Classifier
An arbitrary key-value pair that may associated with a :term:`job`\ , a
:term:`metric`\ , or an :term:`artifact`. The key must be a string. The
value can be any simple scalar type (string, integer, boolean, etc).
These have no pre-defined meaning but may be used to aid
filtering/grouping of metrics and artifacts during output processing.
.. seealso:: :ref:`classifiers`.
Global Alias
Typically, values for plugin parameters are specified name spaced under
the plugin's name in the configuration. A global alias is an alias that
may be specified at the top level in configuration.
There two common reasons for this. First, several plugins might
specify the same global alias for the same parameter, thus allowing all
of them to be configured with one settings. Second, a plugin may not be
exposed directly to the user (e.g. resource getters) so it makes more
sense to treat its parameters as global configuration values.
.. seealso:: :term:`Alias`
Instrument
A WA "Instrument" can be quite diverse in its functionality, but
the majority of those available in are there to collect some kind of
@ -31,9 +71,13 @@ Glossary
:ref:`Plugin Reference <instruments>`.
Job
An individual instance of a workload. E.g. Even if you only have 1
workload to run but wanted 5 iterations then 5 individual jobs will be
generated to be ran.
An single execution of a workload. A job is defined by an associated
:term:`spec`. However, multiple jobs can share the same spec; e.g. Even
if you only have 1 workload to run but wanted 5 iterations then 5
individual jobs will be generated to be ran.
Metric
A single numeric measurement or score collected during job execution.
Output Processor
An "Output Processor" is what is used to process the output
@ -43,6 +87,11 @@ Glossary
:ref:`list command <list-command>` or see the
:ref:`Plugin Reference <instruments>`.
Run
A single execution of `wa run` command. A run consists of one or more
:term:`job`\ s, and results in a single output directory structure
containing job results and metadata.
Spec
A specification of a workload. For example you can have a single
workload specification that is then executed multiple times if you