Watcher

OpenStack Watcher provides a flexible and scalable resource optimization service for multi-tenant OpenStack-based clouds. Watcher provides a complete optimization loop—including everything from a metrics receiver, complex event processor and profiler, optimization processor and an action plan applier. This provides a robust framework to realize a wide range of cloud optimization goals, including the reduction of data center operating costs, increased system performance via intelligent virtual machine migration, increased energy efficiency—and more!

• Free software: Apache license
• Wiki: http://wiki.openstack.org/wiki/Watcher
• Source: http://git.openstack.org/cgit/openstack/watcher
• Bugs: http://bugs.launchpad.net/watcher
• Documentation: http://factory.b-com.com/www/watcher/watcher/doc/build/html/