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背景业务上一个新业务上线，发现CPU使用率较高，我们的业务特点一般是IO密集型，所以一般呈现CPU使用率较低，但是QPS较高的特点，所以对这个特殊的服务进行性能分析，以下是分析过程。网络性能分析新应用上线，发现CPU较高，如图所示从cpu使用率的细节发现%si中断使用率集中在cpu0上，查看...

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