TaoZex commented on code in PR #3864:
URL: 
https://github.com/apache/incubator-seatunnel/pull/3864#discussion_r1061493643


##########
seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/config/JdbcConfig.java:
##########
@@ -46,22 +47,20 @@ public class JdbcConfig implements Serializable {
 
     public static final Option<Boolean> AUTO_COMMIT = 
Options.key("auto_commit").booleanType().defaultValue(DEFAULT_AUTO_COMMIT).withDescription("auto
 commit");
 
-    public static final Option<Integer> BATCH_SIZE = 
Options.key("batch_size").intType().noDefaultValue().withDescription("batch 
size");
+    public static final Option<Integer> BATCH_SIZE = 
Options.key("batch_size").intType().defaultValue(1000).withDescription("batch 
size");

Review Comment:
   Why set batch size 1000 as the default value, does it improve the efficiency 
of jdbc?



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