Lightning: Self-Adaptive, Energy-Conserving, Multi-Zoned, Commodity Green Cloud Storage System

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Provided by: Association for Computing Machinery
Topic: Cloud
Format: PDF
This paper is to present an energy-conserving, self-adaptive Commodity Green Cloud Storage, called Lightning. Lightning's File System dynamically configures the servers in the Cloud Storage into logical Hot and Cold Zones. Lightning uses data-classification driven data placement to realize guaranteed, substantially long, periods (several days) of idleness in a significant subset of servers designated as the Cold Zone, in the commodity datacenter backing the Cloud Storage. These servers are then transitioned to inactive power modes and the resulting energy savings substantially reduce the operating costs of the datacenter.
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