# Monitoring Analysis (A)

+ Grafana`PD --> Statistics - balance`


![left](./student-guide/diagram/03-28-1.png)

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Grafana PD —> Statistics - balance: Each colored line in the represents a different TiKV node. From the graph, you can see that the regions in different TiKV node do start to experience performance jitter from the problem time on November 10, the number of regions in multiple stores, and the region score rises sharply, and regional instability will be back-off.