[GitHub] [incubator-dolphinscheduler] BoYiZhang commented on a change in pull request #4139: [Feature-4138][Master] dispatch workgroup error add sleep time

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

BoYiZhang commented on a change in pull request #4139:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4139#discussion_r539153051



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File path: dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/consumer/TaskPriorityQueueConsumer.java
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@@ -139,7 +140,13 @@ public void run() {
                 for (String dispatchFailedTask : failedDispatchTasks) {
                     taskPriorityQueue.put(dispatchFailedTask);
                 }
+                // If there are tasks in a cycle that cannot find the worker group,
+                // sleep for 1 second
+                if (!failedDispatchTasks.isEmpty()  && taskPriorityQueue.size() <= fetchTaskNum) {

Review comment:
       same.
   
   Because the failed failedDispatchTasks queue can only have fetchTaskNum tasks at most




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