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Remove All Binlog References from CDC Documentation (#18663) #18672

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Sep 20, 2024
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Remove All Binlog References from CDC Documentation (#18663) #18672

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21 changes: 14 additions & 7 deletions dr-secondary-cluster.md
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Original file line number Diff line number Diff line change
Expand Up @@ -296,13 +296,20 @@ TiDB 目前还没有提供 DR Dashboard，你可以通过以下 Dashboard 了解
2. 业务写入完全停止后，查询 TiDB 集群当前最新的 TSO (`Position`)：

```sql
mysql> show master status;
+-------------+--------------------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+-------------+--------------------+--------------+------------------+-------------------+
| tidb-binlog | 438223974697009153 | | | |
+-------------+--------------------+--------------+------------------+-------------------+
1 row in set (0.33 sec)
BEGIN; SELECT TIDB_CURRENT_TSO(); ROLLBACK;
```

```sql
Query OK, 0 rows affected (0.00 sec)

+--------------------+
| TIDB_CURRENT_TSO() |
+--------------------+
| 452654700157468673 |
+--------------------+
1 row in set (0.00 sec)

Query OK, 0 rows affected (0.00 sec)
```

3. 轮询 Changefeed `dr-primary-to-secondary` 的同步位置时间点 TSO 直到满足 `TSO >= Position`。
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