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Documentation with details on general concurrency as well as OpenStack specific libraries. Describes how different libraries are effectively used across different Watcher services. This includes describing how futurist is used in the Decision Engine and how taskflow is used in the Applier. Finally, this documentation describes how contributors can use the new DecisionEngineThreadpool effectively and includes examples. https://docs.openstack.org/futurist/latest/ https://docs.openstack.org/taskflow/latest/ Change-Id: Ic1cd1f3733a0e9a239c9b8d49951e1e4ece49f3a Partially Implements: blueprint general-purpose-decision-engine-threadpool
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Except where otherwise noted, this document is licensed under Creative
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Commons Attribution 3.0 License. You can view the license at:
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https://creativecommons.org/licenses/by/3.0/
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================================
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Welcome to Watcher documentation
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================================
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OpenStack Watcher provides a flexible and scalable resource optimization
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service for multi-tenant OpenStack-based clouds.
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Watcher provides a complete optimization loop—including everything from a
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metrics receiver, complex event processor and profiler, optimization processor
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and an action plan applier. This provides a robust framework to realize a wide
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range of cloud optimization goals, including the reduction of data center
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operating costs, increased system performance via intelligent virtual machine
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migration, increased energy efficiency and more!
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Watcher project consists of several source code repositories:
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* `watcher`_ - is the main repository. It contains code for Watcher API server,
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Watcher Decision Engine and Watcher Applier.
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* `python-watcherclient`_ - Client library and CLI client for Watcher.
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* `watcher-dashboard`_ - Watcher Horizon plugin.
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The documentation provided here is continually kept up-to-date based
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on the latest code, and may not represent the state of the project at any
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specific prior release.
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.. _watcher: https://opendev.org/openstack/watcher/
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.. _python-watcherclient: https://opendev.org/openstack/python-watcherclient/
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.. _watcher-dashboard: https://opendev.org/openstack/watcher-dashboard/
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Developer Guide
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===============
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Introduction
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------------
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.. toctree::
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:maxdepth: 1
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glossary
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architecture
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contributor/contributing
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Getting Started
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---------------
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.. toctree::
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:maxdepth: 1
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contributor/index
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Installation
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============
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.. toctree::
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:maxdepth: 2
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install/index
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Admin Guide
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===========
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.. toctree::
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:maxdepth: 2
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admin/index
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contributor/concurrency
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User Guide
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==========
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.. toctree::
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:maxdepth: 2
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user/index
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API References
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==============
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.. toctree::
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:maxdepth: 1
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API Reference <https://docs.openstack.org/api-ref/resource-optimization/>
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Watcher API Microversion History </contributor/api_microversion_history>
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Plugins
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-------
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.. toctree::
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:maxdepth: 1
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contributor/plugin/index
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Watcher Configuration Options
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=============================
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.. toctree::
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:maxdepth: 2
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configuration/index
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Watcher Manual Pages
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====================
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.. toctree::
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:glob:
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:maxdepth: 1
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man/index
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.. only:: html
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Indices and tables
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==================
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* :ref:`genindex`
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* :ref:`modindex`
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* :ref:`search`
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