计算机科学 ›› 2014, Vol. 41 ›› Issue (5): 46-49.doi: 10.11896/j.issn.1002-137X.2014.05.010
张展,左德承,黄友富,何辉
ZHANG Zhan,ZUO De-cheng,HUANG You-fu and HE Hui
摘要： 针对典型的云平台下虚拟化系统的特点,提出了一种结合选择性日志的准同步检查点算法VM_QSC:保持不同虚拟机节点固有的优化检查点周期,通过物理节点Hypervisor选择性地进行虚拟机的消息日志的稳定存储,在全局监控节点维护虚拟机一致线信息,保持全局的一致性。与传统的准同步检查点和同步检查点相比,该算法维持了虚拟机检查点设置的自主性,并显著降低了虚拟化系统的容错开销,可以有效应用于云计算环境下的虚拟资源管理和动态迁移。
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