vNUMA介绍 http://virtualbarker.com/ vSphere VMware Performance With every release of vSphere the overhead of running an application on the vSphere virtualized platform is reduced by the new performance improving features. Typical virtualization overhea…
1.关于CPU负载.extop显示的结果 如果CPU load average>=1,说明主机过载了. 如果PCPU used%在80%左右说明良好,90%以上就临近过载了. VM赋予过多的vCPU可能消耗更多资源,尤其是在负载很重的主机上. 例如,单线程负载运行在多个vCPU的VM上或者多线程负载运行在一个超过其需要的vCPU数量的VM上. Most guest operating systems execute an idle loop during periods of inactivit…