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Data center energy consumption management method and system based on dynamic frequency modulation

A technology for energy consumption management and data center, which is applied in the field of energy consumption management based on dynamic frequency modulation, and can solve the problem of insufficient consideration of the impact of energy consumption.

Active Publication Date: 2015-07-29
NANJING UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, the timing and how to adjust the frequency in the current frequency adjustment strategy is still a difficult point. At the same time, the frequency adjustment strategy is mainly concentrated on a single server, and the impact of service distribution in the entire data center on energy consumption is not fully considered.

Method used

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  • Data center energy consumption management method and system based on dynamic frequency modulation
  • Data center energy consumption management method and system based on dynamic frequency modulation
  • Data center energy consumption management method and system based on dynamic frequency modulation

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Embodiment Construction

[0048] The present invention will be further described in detail below in conjunction with the examples, which are not intended to limit the present invention.

[0049] The system architecture applied in this embodiment is as follows figure 1 Shown: includes a controller and a cluster server, the controller is located at the task distribution layer, the cluster server is located at the local frequency modulation layer, the controller includes a task analysis module, a server monitoring module and a task distribution module, the cluster server There is an energy consumption estimation module on a single server in . The system provides users with an interface for submitting tasks. Users use this interface to submit data to the server and set specified parameters, represented by a quaternion . The four parameters represent the start time of the task respectively. , deadline, estimated runtime, and user utilization.

[0050] In this embodiment, the frequency modulation unit, fre...

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Abstract

The invention discloses a data center energy consumption management method and system based on dynamic frequency modulation. The method comprises frequency modulation energy conservation of a single server and task scheduling of energy awareness among servers, wherein the frequency modulation energy conservation of the single server comprises the steps of taking a time quantum of a constant task number as a frequency modulation unit, estimating dissipative energy of each unit according to an energy consumption model and task information, and utilizing a heuristic algorithm to select a frequency modulation mode which enables the sum of energy consumption of all units to be minimum so as to adjust the frequency of a processor; the task scheduling of energy awareness among the servers comprises the steps of selecting a candidate server according to the state of each server and the task information when a task reaches, utilizing a frequency modulation energy conservation method on the single server by each server according the task information to estimate the energy consumption change, selecting the server with the minimum energy consumption change by a controller to distribute a new task, and utilizing the frequency modulation energy conservation method on the single server by the selected server to modulate the frequency and operate the new task. According to the invention, the energy consumption of the servers in a data center is reduced by frequency modulation and task distribution, and energy saving and emission reduction effects are achieved.

Description

technical field [0001] The invention relates to energy management in a data center, in particular to an energy management method and system based on dynamic frequency modulation. Background technique [0002] With the widespread application of cloud computing in various fields, the energy consumption of data centers has also increased, and the cost of electricity has become a major part of the total expenditure of data centers. How to reduce electricity expenses is one of the important issues that managers of green data centers need to solve. Among them, the CPU is the most important energy-consuming component in the server. Its dynamic power consumption is related to its operating voltage and frequency. Using the dynamic voltage adjustment function supported by modern processors, the frequency and voltage can be dynamically adjusted according to the load of the server. The power consumption state of the device can reduce energy consumption and play a role in energy saving ...

Claims

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Application Information

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IPC IPC(8): G06F1/32G06F9/50G06F9/455
CPCY02D10/00
Inventor 钱柱中王臻陆桑璐
Owner NANJING UNIV
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