# Case Study Cluster Status (C)

+ Cluster CPS & QPS
  + Grafana Monitoring TiDB —> Query Summary —> Command Per Second

![left](./student-guide/diagram/27-cluster-situation-03-01.png)

------------------------------------------------------------
QPS is around 60000, and is basically a select operation and a small amount of insert writes, with a reads and writes ratio of about 50:1