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