danny0405 commented on a change in pull request #2808:
URL: https://github.com/apache/hudi/pull/2808#discussion_r612255476



##########
File path: 
hudi-flink/src/main/java/org/apache/hudi/sink/StreamWriteOperatorCoordinator.java
##########
@@ -401,4 +422,26 @@ public OperatorCoordinator create(Context context) {
       return new StreamWriteOperatorCoordinator(this.conf, context);
     }
   }
+
+  /**
+   * Remember some table state variables.
+   */
+  private static class TableState implements Serializable {

Review comment:
       No need to do that because this is a inner class.

##########
File path: 
hudi-flink/src/main/java/org/apache/hudi/sink/StreamWriteOperatorCoordinator.java
##########
@@ -401,4 +422,26 @@ public OperatorCoordinator create(Context context) {
       return new StreamWriteOperatorCoordinator(this.conf, context);
     }
   }
+
+  /**
+   * Remember some table state variables.
+   */
+  private static class TableState implements Serializable {

Review comment:
       No need to do that because this is an inner class.




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