# Monitoring Analysis (F)

+ Grafana Monitoring TiDB —>`Executor - Parse/Compile Duration`
  + No exceptions found


![left](./student-guide/diagram/03-12-1.png)

  + No exceptions found


![left](./student-guide/diagram/03-12-2.png)

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Grafana monitors TiDB —>Executor - Parse/Compile Duration You can see the delay of parse and compilation. In the figure, problem time 17:12 increased the accuracy from 0.95 to 0.999, parse and compiling were generally smooth, and no exceptions were found.