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====================================
Node Resource Consolidation Strategy
====================================
Synopsis
--------
**display name**: ``Node Resource Consolidation Strategy``
**goal**: ``Server Consolidation``
.. watcher-term:: watcher.decision_engine.strategy.strategies.node_resource_consolidation.NodeResourceConsolidation
Requirements
------------
None.
Metrics
*******
None
Cluster data model
******************
Default Watcher's Compute cluster data model:
.. watcher-term:: watcher.decision_engine.model.collector.nova.NovaClusterDataModelCollector
Actions
*******
Default Watcher's actions:
.. list-table::
:widths: 30 30
:header-rows: 1
* - action
- description
* - ``migration``
- .. watcher-term:: watcher.applier.actions.migration.Migrate
* - ``change_nova_service_state``
- .. watcher-term:: watcher.applier.actions.change_nova_service_state.ChangeNovaServiceState
Planner
*******
Default Watcher's planner:
.. watcher-term:: watcher.decision_engine.planner.weight.WeightPlanner
Configuration
-------------
Strategy parameters are:
==================== ====== =======================================
parameter type default Value description
==================== ====== =======================================
``host_choice`` String The way to select the server migration
destination node, The value auto means
that Nova schedular selects the
destination node, and specify means
the strategy specifies the destination.
==================== ====== =======================================
Efficacy Indicator
------------------
None
Algorithm
---------
For more information on the Node Resource Consolidation Strategy please refer
to: https://specs.openstack.org/openstack/watcher-specs/specs/train/approved/node-resource-consolidation.html
How to use it ?
---------------
.. code-block:: shell
$ openstack optimize audittemplate create \
at1 server_consolidation \
--strategy node_resource_consolidation
$ openstack optimize audit create \
-a at1 -p host_choice=auto
External Links
--------------
None.
|
