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add description of stale read metrics (#13842) #13869

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Jun 14, 2023
Merged

add description of stale read metrics (#13842) #13869

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add description of stale read metrics
you06 Jun 13, 2023
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Oreoxmt Jun 13, 2023
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Oreoxmt Jun 14, 2023
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2 changes: 2 additions & 0 deletions grafana-tidb-dashboard.md
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Expand Up @@ -113,6 +113,8 @@ To understand the key metrics displayed on the TiDB dashboard, check the followi
- KV Request OPS: the execution times of a KV request, displayed according to TiKV
- KV Request Duration 99 by store: the execution time of a KV request, displayed according to TiKV
- KV Request Duration 99 by type: the execution time of a KV request, displayed according to the request type
- Stale Read OPS: the number of Stale Read requests executed per second, which is divided into `hit` and `miss` categories
- Stale Read Traffic: the traffic produced by Stale Read, which is divided into `hit` and `miss` categories

### PD Client

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