# 确认 TiDB Server 与 TiKV 耗时（B）

+ Grafana 监控 TiDB --> KV Request --> KV Request Duration 99 by store/type
  + 从 duration 大小和趋势上与 99% gRPC message duration 和整体 TiDB 的 duration 大小和趋势相同

![left](./student-guide/diagram/26-Confirm-tidb-server-and-tikv-02-01.png)

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- Grafana 监控 TiDB --> KV Request --> KV Request Duration 99 by store