计算机科学 ›› 2015, Vol. 42 ›› Issue (12): 26-31.
苏宇,高 阳,秦志光
SU Yu, GAO Yang and QIN Zhi-guang
摘要: 功耗管理是云计算数据中心的重要问题之一。由于服务器在不同睡眠状态时的功耗及唤醒延迟不同,将空闲服务器节电状态与输入作业负载建立映射,设计并实现了一种新的元启发式调度器,利用适应粒子群优化(SAPSO)检测和跟踪云计算资源池中不断变化的最优目标服务器,考虑了资源动态、工作服务器不同负载时的功耗、空闲服务器不同休眠状态转换时的功耗,使得VM映射中功耗增量最小。仿真实验表明了所提方法的有效性和较好的性能,经比较分析可知,该方法在保证满足SLA的情况下最大限度地减少了功耗且提高了VM映射效率。
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