92dad3be2d
Removed duplicates of strategies descriptions, added references to that descriptions instead of module descriptions. Change-Id: Ife396ddce5c3cc926cc111f1ff1abd3a42c22561
108 lines
3.1 KiB
ReStructuredText
108 lines
3.1 KiB
ReStructuredText
==================================
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Uniform Airflow Migration Strategy
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==================================
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Synopsis
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--------
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**display name**: ``Uniform airflow migration strategy``
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**goal**: ``airflow_optimization``
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.. watcher-term:: watcher.decision_engine.strategy.strategies.uniform_airflow.UniformAirflow
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Requirements
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------------
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This strategy has a dependency on the server having Intel's Power
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Node Manager 3.0 or later enabled.
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Metrics
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*******
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The *uniform_airflow* strategy requires the following metrics:
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================================== ============ ======= =======
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metric service name plugins comment
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================================== ============ ======= =======
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``hardware.ipmi.node.airflow`` ceilometer_ IPMI
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``hardware.ipmi.node.temperature`` ceilometer_ IPMI
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``hardware.ipmi.node.power`` ceilometer_ IPMI
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================================== ============ ======= =======
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.. _ceilometer: http://docs.openstack.org/admin-guide/telemetry-measurements.html#ipmi-based-meters
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Cluster data model
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******************
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Default Watcher's Compute cluster data model:
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.. watcher-term:: watcher.decision_engine.model.collector.nova.NovaClusterDataModelCollector
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Actions
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*******
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Default Watcher's actions:
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.. list-table::
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:widths: 30 30
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:header-rows: 1
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* - action
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- description
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* - ``migration``
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- .. watcher-term:: watcher.applier.actions.migration.Migrate
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Planner
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*******
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Default Watcher's planner:
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.. watcher-term:: watcher.decision_engine.planner.weight.WeightPlanner
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Configuration
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-------------
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Strategy parameters are:
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====================== ====== ============= ===========================
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parameter type default Value description
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====================== ====== ============= ===========================
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``threshold_airflow`` Number 400.0 Airflow threshold for
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migration Unit is 0.1CFM
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``threshold_inlet_t`` Number 28.0 Inlet temperature threshold
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for migration decision
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``threshold_power`` Number 350.0 System power threshold for
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migration decision
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``period`` Number 300 Aggregate time period of
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ceilometer
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====================== ====== ============= ===========================
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Efficacy Indicator
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------------------
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None
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Algorithm
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---------
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For more information on the Uniform Airflow Migration Strategy please refer to:
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https://specs.openstack.org/openstack/watcher-specs/specs/newton/implemented/uniform-airflow-migration-strategy.html
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How to use it ?
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---------------
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.. code-block:: shell
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$ openstack optimize audittemplate create \
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at1 airflow_optimization --strategy uniform_airflow
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$ openstack optimize audit create -a at1 -p threshold_airflow=410 \
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-p threshold_inlet_t=29.0 -p threshold_power=355.0 -p period=310
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External Links
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--------------
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- `Intel Power Node Manager 3.0 <http://www.intel.com/content/www/us/en/power-management/intelligent-power-node-manager-3-0-specification.html>`_
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