[DNM until v7.5.1] resource_control: add more info about sql ru consumption (#16007) #16524
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Co-authored-by: Roger Song <[email protected]>
Co-authored-by: Ran <[email protected]>
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tidb-resource-control.md
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| ### 查看资源组的 RU 消耗 | ||
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| 从 v7.6.0 版本开始，TiDB 提供系统表 [`mysql.request_unit_by_group`](/mysql-schema.md#资源管控相关系统表) 存放各个资源组每日消耗的 RU 的历史记录。 |
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| 从 v7.6.0 版本开始，TiDB 提供系统表 [`mysql.request_unit_by_group`](/mysql-schema.md#资源管控相关系统表) 存放各个资源组每日消耗的 RU 的历史记录。 | |
| 从 v7.5.1 版本开始，TiDB 提供系统表 [`mysql.request_unit_by_group`](/mysql-schema.md#资源管控相关系统表) 存放各个资源组每日消耗的 RU 的历史记录。 |
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tidb-resource-control.md
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| TiDB 的系统表 [`INFORMATION_SCHEMA.statements_summary`](/statement-summary-tables.md#statements_summary) 中保存了 SQL 语句归一化聚合后的各种统计信息，可以用于查看分析各个 SQL 语句的执行性能。其中也包含资源管控相关的统计信息，包括资源组名、RU 消耗、等待可用 RU 的耗时等信息。具体请参考[`statements_summary` 字段介绍](/statement-summary-tables.md#statements_summary-字段介绍)。 | ||
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| ### 查看资源组的 RU 消耗 |
Signed-off-by: nolouch <[email protected]>
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This is an automated cherry-pick of #16007
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This PR depends on #15935
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