docs: moving to new doc structure

Change-Id: I91188deec2bd4e8aa405a9e023acde42b3fb31f7
Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com>

1 files changed, 0 insertions, 103 deletions

diff --git a/docs/requirements/02-collectd.rst b/docs/requirements/02-collectd.rst
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-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-.. (c) OPNFV, Intel Corporation and others.
-
-collectd
-~~~~~~~~
-collectd is a daemon which collects system performance statistics periodically
-and provides a variety of mechanisms to publish the collected metrics. It
-supports more than 90 different input and output plugins. Input plugins retrieve
-metrics and publish them to the collectd deamon, while output plugins publish
-the data they receive to an end point. collectd also has infrastructure to
-support thresholding and notification.
-
-collectd statistics and Notifications
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Within collectd notifications and performance data are dispatched in the same
-way. There are producer plugins (plugins that create notifications/metrics),
-and consumer plugins (plugins that receive notifications/metrics and do
-something with them).
-
-Statistics in collectd consist of a value list. A value list includes:
-
-* Values, can be one of:
-
-  * Derive: used for values where a change in the value since it's last been
-    read is of interest. Can be used to calculate and store a rate.
-
-  * Counter: similar to derive values, but take the possibility of a counter
-    wrap around into consideration.
-
-  * Gauge: used for values that are stored as is.
-
-  * Absolute: used for counters that are reset after reading.
-
-* Value length: the number of values in the data set.
-
-* Time: timestamp at which the value was collected.
-
-* Interval: interval at which to expect a new value.
-
-* Host: used to identify the host.
-
-* Plugin: used to identify the plugin.
-
-* Plugin instance (optional): used to group a set of values together. For e.g.
-  values belonging to a DPDK interface.
-
-* Type: unit used to measure a value. In other words used to refer to a data
-  set.
-
-* Type instance (optional): used to distinguish between values that have an
-  identical type.
-
-* meta data: an opaque data structure that enables the passing of additional
-  information about a value list. "Meta data in the global cache can be used to
-  store arbitrary information about an identifier" [7].
-
-Host, plugin, plugin instance, type and type instance uniquely identify a
-collectd value.
-
-Values lists are often accompanied by data sets that describe the values in more
-detail. Data sets consist of:
-
-* A type: a name which uniquely identifies a data set.
-
-* One or more data sources (entries in a data set) which include:
-
-  * The name of the data source. If there is only a single data source this is
-    set to "value".
-
-  * The type of the data source, one of: counter, gauge, absolute or derive.
-
-  * A min and a max value.
-
-Types in collectd are defined in types.db. Examples of types in types.db:
-
-.. code-block:: console
-
-    bitrate    value:GAUGE:0:4294967295
-    counter    value:COUNTER:U:U
-    if_octets  rx:COUNTER:0:4294967295, tx:COUNTER:0:4294967295
-
-In the example above if_octets has two data sources: tx and rx.
-
-Notifications in collectd are generic messages containing:
-
-* An associated severity, which can be one of OKAY, WARNING, and FAILURE.
-
-* A time.
-
-* A Message
-
-* A host.
-
-* A plugin.
-
-* A plugin instance (optional).
-
-* A type.
-
-* A types instance (optional).
-
-* Meta-data.