update mysql docs

Author: qiaofeng1227

i18n/en/docusaurus-plugin-content-docs/version-2.0/apps/mysql.md

@@ -108,6 +108,15 @@ Migrating from MySQL to MySQL is usually accomplished quickly by **importing and
 
 However, migrations from other DBMS to MySQL are best handled using a migration tool such as [MySQL Workbench: Database Migration](https://www.mysql.com/products/workbench/migrate/)
 
+### Performance Optimization
+
+Proper parameter configuration is critical for MySQL performance. The following core parameters can significantly enhance database response speed and processing capacity:
+
+- **`max_connections`** 
+- **`innodb_buffer_pool_size`** 
+- **`innodb_log_file_size`** 
+- **`innodb_flush_log_at_trx_commit`** 
+- **`innodb_io_capacity`**
 
 ### Audit
 

versioned_docs/version-2.0/apps/mysql.md

@@ -109,6 +109,15 @@ MySQL 到 MySQL 的迁移，通常可以通过数据的**导入导出**快速实
 
 但是，其他 DBMS 到 MySQL 的迁移最好是使用迁移工具，例如：[MySQL Workbench: Database Migration](https://www.mysql.com/products/workbench/migrate/)
 
+### 性能优化
+
+合理的参数配置对 MySQL 性能至关重要。以下核心参数能够显著提升数据库的响应速度和处理能力：
+
+- **`max_connections`** 
+- **`innodb_buffer_pool_size`** 
+- **`innodb_log_file_size`** 
+- **`innodb_flush_log_at_trx_commit`** 
+- **`innodb_io_capacity`**
 
 ### 审计