[GitHub] [flink] luoyuxia commented on pull request #19826: [FLINK-27801][csv] Disable flushing stream when call Jackson's writeValue() method for CsvBulkWriter

Thu, 26 May 2022 05:27:50 -0700 


luoyuxia commented on PR #19826:
URL: https://github.com/apache/flink/pull/19826#issuecomment-1138525386

   Before this fix, most of the time is spent in flushing, shown as in the 
following flame graph:
   
![image](https://user-images.githubusercontent.com/20389154/170487450-580a3b97-c0e1-41f6-ba43-a52635caabcd.png)
   
   After this fix, the problem will be fixed, shown as in the following flame 
graph:
   
![image](https://user-images.githubusercontent.com/20389154/170487569-f206e9a0-1b64-4f08-8eb5-28fae33ad3a9.png)
   
   


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