![]() ![]() Top command shows that the CPU usage is only about 3%, it seems that there is no problem on the CPU.Ģ. ![]() Memory: 16G phys mem, 11G free mem, 16G total swap, 16G free swap The following is an example of what happened on our system: Solaris10 provides the mpstat command, which can be used to monitor the usage of a single CPU. On the whole, there seems to be no CPU bottleneck, but in fact the CPU with a utilization rate of 100% is probably the root cause of the poor system performance. In other words, if the server has 10 CPUs, 9 of which have a CPU utilization rate of 0 and 1 CPU has a utilization rate of 100%, then the CPU utilization rate seen by these two commands is 10%. But using these two commands is not enough, because the CPU usage seen by these two commands is the proportion of the total CPU. On solaris systems, you can usually use the top and prstat commands to monitor CPU usage. ![]()
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