计算机科学 ›› 2021, Vol. 48 ›› Issue (10): 343-350.doi: 10.11896/jsjkx.201100009
朱汉卿, 马武彬, 周浩浩, 吴亚辉, 黄宏斌
ZHU Han-qing, MA Wu-bin, ZHOU Hao-hao, WU Ya-hui, HUANG Hong-bin
摘要： 如何对基于微服务架构的系统进行并发用户请求的分配以使得时间、成本和均衡性等目标得到优化,是面向微服务的应用系统需关注的重要问题之一。现有的基于固定规则的用户请求分配策略仅着重于负载均衡性的解决,难以处理多目标需求间的平衡。为此,文中提出以请求处理总时间、负载均衡率和通信传输总距离为多个目标的微服务用户请求分配模型,研究并发用户请求在部署于不同资源中心的多个微服务实例间的分配策略,并使用基于改进初始解生成策略、交叉算子和变异算子的多目标进化算法对该问题进行求解。在不同规模的数据集上进行多次实验,结果表明,提出的方法与常用的多目标进化算法和传统的基于固定规则的方法相比,能够更好地处理多个目标间的平衡,具有更好的求解性能。
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