数据库性能问题-索引(Database performance issues – index)

一、现象

  tps很低,响应时间很长,数据库服务器CPU很高(接近100%),应用服务器负载比较低

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< strong > I. phenomenon < / strong >

< strong > < / strong > TPS is very low, the response time is very long, the CPU of database server is very high (close to 100%), and the load of application server is relatively low