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Merged
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Mar 3, 2025
Merged

update media resource links to point to new locations (#19952) #19956

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2 changes: 1 addition & 1 deletion tidb-monitoring-api.md
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Expand Up @@ -83,7 +83,7 @@ curl http://127.0.0.1:10080/schema_storage/test

- PD API 地址：`http://${host}:${port}/pd/api/v1/${api_name}`
- 默认端口：2379
- 各类 `api_name` 详细信息：参见 [PD API Doc](https://download.pingcap.com/pd-api-doc.html)
- 各类 `api_name` 详细信息：参见 [PD API Doc](https://docs-download.pingcap.com/api/pd-api/pd-api-doc.html)

通过该接口可以获取当前所有 TiKV 节点的状态以及负载均衡信息。下面以一个单节点的 TiKV 集群为例，说明用户需要了解的信息：

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2 changes: 1 addition & 1 deletion tiproxy/tiproxy-load-balance.md
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Expand Up @@ -43,7 +43,7 @@ TiProxy 定时通过 SQL 端口和状态端口检查 TiDB 是否已下线或正
4. 如果需要同时隔离存储层的资源，可配置 [Placement Rules](/configure-placement-rules.md) 或[资源管控 (Resource Control)](/tidb-resource-control-ru-groups.md)。
5. 交易和 BI 业务的客户端分别连接到 2 台 TiProxy 的地址。

<img src="https://download.pingcap.com/images/docs-cn/tiproxy/tiproxy-balance-label.png" alt="基于标签的负载均衡" width="600" />
<img src="https://docs-download.pingcap.com/media/images/docs-cn/tiproxy/tiproxy-balance-label.png" alt="基于标签的负载均衡" width="600" />

上述拓扑图的配置示例如下：

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4 changes: 2 additions & 2 deletions tiproxy/tiproxy-overview.md
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Expand Up @@ -11,7 +11,7 @@ TiProxy 是可选组件，你也可以使用第三方的代理组件，或者直

TiProxy 示意图如下：

<img src="https://download.pingcap.com/images/docs-cn/tiproxy/tiproxy-architecture.png" alt="TiProxy 架构" width="500" />
<img src="https://docs-download.pingcap.com/media/images/docs-cn/tiproxy/tiproxy-architecture.png" alt="TiProxy 架构" width="500" />

## 主要功能

Expand All @@ -23,7 +23,7 @@ TiProxy 在保持客户端连接不变的情况下，能将一台 TiDB server

如下图所示，原先客户端通过 TiProxy 连接到 TiDB 1 上，连接迁移之后，客户端实际连接到 TiDB 2 上。在 TiDB 1 即将下线或 TiDB 1 上的连接数比 TiDB 2 上的连接数超过设定阈值时，会触发连接迁移。连接迁移对客户端无感知。

<img src="https://download.pingcap.com/images/docs-cn/tiproxy/tiproxy-session-migration.png" alt="TiProxy 连接迁移" width="400" />
<img src="https://docs-download.pingcap.com/media/images/docs-cn/tiproxy/tiproxy-session-migration.png" alt="TiProxy 连接迁移" width="400" />

连接迁移通常发生在以下场景：

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2 changes: 1 addition & 1 deletion tiproxy/tiproxy-traffic-replay.md
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Expand Up @@ -11,7 +11,7 @@ summary: 介绍 TiProxy 的流量回放的使用场景和使用步骤。

从 TiProxy v1.3.0 开始，你可以使用 TiProxy 捕获 TiDB 生产集群中的访问流量，并在测试集群中按照指定的速率回放这些流量。通过该功能，你可以在测试环境中重现生产集群的实际工作负载，从而验证所有 SQL 的执行结果和性能表现。

<img src="https://download.pingcap.com/images/docs-cn/tiproxy/tiproxy-traffic-replay.png" alt="TiProxy 流量回放" width="800" />
<img src="https://docs-download.pingcap.com/media/images/docs-cn/tiproxy/tiproxy-traffic-replay.png" alt="TiProxy 流量回放" width="800" />

## 使用场景

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