HPC数据中心参与需求响应:一个适应性政策与QoS保证
Yijia Zhang1, Daniel C Wilson1, Ioannis Ch Paschalidis1
1Department of Electrical and Computer Engineering, Boston University, Boston, MA, 02215.
概括
高性能计算 (HPC) 数据中心现在可以加入电网调节服务. 我们的新政策确保了工作服务质量 (QoS),同时降低了高达56%的成本.
科学领域:
- 计算机科学 计算机科学
- 电气工程 电气工程
- 运营研究 运营研究
背景情况:
- 需求响应计划通过调整消费者电力使用量来激励电网稳定性.
- 调节服务需要快速调节功率,与HPC数据中心的灵活性保持一致.
- 关于监管服务中数据中心的现有研究忽视了服务质量 (QoS).
研究的目的:
- 为参与监管服务制定数据中心政策,同时保证工作质量.
- 为了弥补有关数据中心需求响应中的QoS配置的先前工作中的差距.
主要方法:
- 提出了一个适应性政策,将工作安排和服务器功率上限集成为电力调节.
- 利用排队理论在调度策略中确保工作质量.
- 在一个真实的HPC集群上进行实验以验证该政策.
主要成果:
- 与基准政策相比,适应性政策减少了25-56%的电力成本.
- 在整个监管服务参与过程中,保证了工作质量.
- 基线策略未能满足高质量服务约束在测试工作负载中的很大一部分 (14个中9个) 中.
结论:
- 拟议的自适应政策有效地使HPC数据中心能够参与监管服务.
- 该政策成功地平衡了电网稳定目标与基本的工作质量要求.
- 这种方法提供了一种切实可行的解决方案,用于降低需求响应的数据中心的成本和可靠运行.
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