kfaraz commented on code in PR #14636:
URL: https://github.com/apache/druid/pull/14636#discussion_r1270548189


##########
indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/SeekableStreamSupervisor.java:
##########
@@ -3271,7 +3271,9 @@ private void checkPendingCompletionTasks()
             log.warn("All tasks in group [%d] failed to publish, killing all 
tasks for these partitions", groupId);
           } else {
             log.makeAlert(
-                "No task in [%s] for taskGroup [%d] succeeded before the 
completion timeout elapsed [%s]!",
+                "No task in [%s] for taskGroup [%d] succeeded before the 
completion timeout elapsed [%s]! "
+                + "Please check the total time taken for each segment's 
creation and publish to deep storage, "
+                + "as well as the total time taken for segment handoff to the 
historicals.",

Review Comment:
   ```suggestion
                   + "Check metrics to see if the creation, publish or handoff 
of any segment is taking longer than usual.",
   ```



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