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tikv: customized Region size is an experimental feature before TiDB v6.5.0 (#18775) #18804

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merged 4 commits into from
Oct 11, 2024
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tikv: customized Region size is an experimental feature before TiDB v6.5.0 (#18775) #18804

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f0d17e0
tikv: remove misleading annotations on fine-tuning performance.
LykxSassinator Oct 10, 2024
d988c26
Polish annotations.
LykxSassinator Oct 10, 2024
37afb53
Polish annotations.
LykxSassinator Oct 10, 2024
af0d682
Update best-practices/massive-regions-best-practices.md
hfxsd Oct 11, 2024
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8 changes: 2 additions & 6 deletions best-practices/massive-regions-best-practices.md
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Expand Up @@ -135,13 +135,9 @@ config set merge-schedule-limit 8

Region 默认的大小约为 96 MiB，将其调大也可以减少 Region 个数，具体介绍可参考[使用更大的 Region](/tune-region-performance.md)。

> **警告：**
>
> 自定义 Region 大小是在 TiDB v6.1.0 引入的实验特性，不建议在生产环境中配置。使用此特性的风险包括：
> **注意：**
>
> + 更容易发生性能抖动。
> + 查询性能回退，尤其是大范围数据查询的性能会有回退。
> + 调度变慢。
> 自定义 Region 大小在 TiDB v6.5.0 之前为实验特性。如需调整 Region 大小，建议升级至 v6.5.0 或更高版本。
### 方法七：提高 Raft 通信的的最大连接数

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