samgang commented on issue #4658:
URL: 
https://github.com/apache/incubator-seatunnel/issues/4658#issuecomment-1522932251

   > try set `execution.parallelism=10`
   
   Thanks, It seems that the improvement is not significant.
   1. add `rewriteBatchedStatements=true` and set `execution.parallelism=1`
   ```
   Read Count So Far         :             5502980
   Write Count So Far        :             5500931
   Average Read Count        :             11292/s
   Average Write Count       :             11292/s
   Total Time(s)             :                 532
   Total Read Count          :             6005032
   Total Write Count         :             6005032
   ```
   
   
   2. add `rewriteBatchedStatements=true` and set `execution.parallelism=10`
   ```
   Read Count So Far         :             5657869
   Write Count So Far        :             5655820
   Average Read Count        :             11723/s
   Average Write Count       :             11723/s
   Total Time(s)             :                 516
   Total Read Count          :             6005032
   Total Write Count         :             6005032
   ```


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