Radeity commented on code in PR #16069:
URL: 
https://github.com/apache/dolphinscheduler/pull/16069#discussion_r1614510521


##########
dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/runner/BaseTaskExecuteRunnable.java:
##########
@@ -52,4 +52,30 @@ public TaskExecutionContext getTaskExecutionContext() {
         return taskExecutionContext;
     }
 
+    @Override
+    public int compareTo(TaskExecuteRunnable other) {
+        if (other == null) {
+            return 1;
+        }
+        int workflowInstancePriorityCompareResult = 
workflowInstance.getProcessInstancePriority().getCode() -
+                
other.getWorkflowInstance().getProcessInstancePriority().getCode();
+        if (workflowInstancePriorityCompareResult != 0) {
+            return workflowInstancePriorityCompareResult;
+        }
+
+        int taskInstancePriorityCompareResult = 
taskInstance.getTaskInstancePriority().getCode()
+                - other.getTaskInstance().getTaskInstancePriority().getCode();
+        if (taskInstancePriorityCompareResult != 0) {
+            return taskInstancePriorityCompareResult;
+        }
+        // larger number, higher priority
+        int taskGroupPriorityCompareResult =
+                taskInstance.getTaskGroupPriority() - 
other.getTaskInstance().getTaskGroupPriority();
+        if (taskGroupPriorityCompareResult != 0) {
+            return -taskGroupPriorityCompareResult;

Review Comment:
   Wait, two comments seem reversed, for task group priority, `smaller number, 
higher priority`, for workerflow/taskInstance, `larger number, higher priority`.



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