KETTLE optimizes performance issues during data migration

In the process of the large number of test data migrations in the kettle, the data speed at the beginning turned out to be more than 20 pieces/s, which is very slow. The migration of 3000W data can be imagined. It is definitely not feasible to migrate at this speed. . . After searching on the Internet, modify the following link parameters to improve efficiency:

​​​​​​​useServerPrepStmts=false  
rewriteBatchedStatements=true  
useCompression=true  

在DB连接模块里面选择任一一个数据库右击点击编辑在选择中添加配置：