[AMORO-1935] Change the default value of Self-Optimizing split task size to 128MB (#2073)

change default value of self-optimizing.max-task-size-bytes to 128MB

Author: wangtaohz

core/src/main/java/com/netease/arctic/table/TableProperties.java

@@ -88,7 +88,7 @@ private TableProperties() {
   public static final int SELF_OPTIMIZING_MAX_FILE_CNT_DEFAULT = 10000;
 
   public static final String SELF_OPTIMIZING_MAX_TASK_SIZE = "self-optimizing.max-task-size-bytes";
-  public static final long SELF_OPTIMIZING_MAX_TASK_SIZE_DEFAULT = 1073741824L; // 1 GB
+  public static final long SELF_OPTIMIZING_MAX_TASK_SIZE_DEFAULT = 134217728; // 128 MB
 
   public static final String SELF_OPTIMIZING_FRAGMENT_RATIO = "self-optimizing.fragment-ratio";
   public static final int SELF_OPTIMIZING_FRAGMENT_RATIO_DEFAULT = 8;

docs/user-guides/configurations.md

@@ -35,7 +35,7 @@ Self-optimizing configurations are applicable to both Iceberg Format and Mixed s
 | self-optimizing.execute.num-retries                 | 5                | Number of retries after failure of Self-optimizing                       |
 | self-optimizing.target-size                         | 134217728(128MB) | Target size for Self-optimizing                           |
 | self-optimizing.max-file-count                      | 10000            | Maximum number of files processed by a Self-optimizing process              |               |
-| self-optimizing.max-task-size-bytes                 | 1073741824(1GB)  | Maximum file size bytes in a single task for splitting tasks                |               |
+| self-optimizing.max-task-size-bytes                 | 134217728(128MB) | Maximum file size bytes in a single task for splitting tasks                |               |
 | self-optimizing.fragment-ratio                      | 8                | The fragment file size threshold. We could divide self-optimizing.target-size by this ratio to get the actual fragment file size           |
 | self-optimizing.minor.trigger.file-count            | 12               | The minimum numbers of fragment files to trigger minor optimizing   |
 | self-optimizing.minor.trigger.interval              | 3600000(1 hour)  | The time interval in milliseconds to trigger minor optimizing                         |