narendly commented on a change in pull request #1006:
URL: https://github.com/apache/helix/pull/1006#discussion_r426923990



##########
File path: helix-core/src/main/java/org/apache/helix/task/RuntimeJobDag.java
##########
@@ -146,8 +146,13 @@ public boolean finishJob(String job) {
     }
     // Add finished job's successors to ready-list
     if (_isJobQueue) {
-      if (_lastJob != null && _parentsToChildren.containsKey(_lastJob)) {
-        
_readyJobList.offer(_parentsToChildren.get(_lastJob).iterator().next());
+      while (_lastJob != null && _parentsToChildren.containsKey(_lastJob)) {
+        String nextJob = _parentsToChildren.get(_lastJob).iterator().next();

Review comment:
       could you add that explanation in the code?




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