New Variable in 7.5: tidb_allow_tiflash_cop

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Original topic: 7.5新增变量 tidb_allow_tiflash_cop

| username: ShawnYan

New Documentation Request, please provide feedback according to the template below:

  • Request Type: New Documentation
  • Background: For example, which part of the documentation is missing and how it affects usage
  • Expected addition of documentation for which components or features, and where to add it in the existing documentation

Cannot find content related to tidb_allow_tiflash_cop in the documentation

mysql> select version();
+--------------------+
| version()          |
+--------------------+
| 8.0.11-TiDB-v7.5.0 |
+--------------------+
1 row in set (0.00 sec)

mysql> show global variables like '%tidb_allow_tiflash_cop%';
+------------------------+-------+
| Variable_name          | Value |
+------------------------+-------+
| tidb_allow_tiflash_cop | OFF   |
+------------------------+-------+
1 row in set (0.00 sec)
| username: ShawnYan | Original post link

It means we only use MPP mode to query data.

| username: Billmay表妹 | Original post link

Feedback provided.

| username: Billmay表妹 | Original post link

The related progress can be seen in the PR

| username: ShawnYan | Original post link

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