[GitHub] [dolphinscheduler] ruanwenjun commented on a diff in pull request #11254: Fix TaskGroup cannot work and will cause master dead loop

[GitBox <gi...@apache.org>]

ruanwenjun commented on code in PR #11254:
URL: https://github.com/apache/dolphinscheduler/pull/11254#discussion_r936288879


##########
dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessServiceImpl.java:
##########
@@ -2984,40 +2986,41 @@ public void releaseAllTaskGroup(int processInstanceId) {
     @Override
     public TaskInstance releaseTaskGroup(TaskInstance taskInstance) {
 
-        TaskGroup taskGroup = taskGroupMapper.selectById(taskInstance.getTaskGroupId());
-        if (taskGroup == null) {
-            return null;
-        }
-        TaskGroupQueue thisTaskGroupQueue = this.taskGroupQueueMapper.queryByTaskId(taskInstance.getId());
-        if (thisTaskGroupQueue.getStatus() == TaskGroupQueueStatus.RELEASE) {
-            return null;
-        }
+        TaskGroup taskGroup;
+        TaskGroupQueue thisTaskGroupQueue;
         try {
-            while (thisTaskGroupQueue.getForceStart() == Flag.NO.getCode() && taskGroupMapper.releaseTaskGroupResource(taskGroup.getId(), taskGroup.getUseSize()
-                , thisTaskGroupQueue.getId(), TaskGroupQueueStatus.ACQUIRE_SUCCESS.getCode()) != 1) {
+            do {
+                taskGroup = taskGroupMapper.selectById(taskInstance.getTaskGroupId());

Review Comment:
   The use size will change.



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