zachjsh commented on code in PR #14662:
URL: https://github.com/apache/druid/pull/14662#discussion_r1276696551


##########
indexing-service/src/main/java/org/apache/druid/indexing/common/task/KillUnusedSegmentsTask.java:
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@@ -128,6 +146,9 @@ public TaskStatus runTask(TaskToolbox toolbox) throws 
Exception
     }
 
     // Kill segments
+    unusedSegments = maxSegmentsToKill == null
+        ? unusedSegments

Review Comment:
   I thought it was best to mark all segements in interval specified as unused. 
Seemed less expensive than actually deleting the segment from deep storage, and 
other things involved in killing the segment. I did consider this though. But 
with the limit also applied to marking unused, a user might need multiple 
requests to mark segments in interval as unused, where as if the limit is only 
applied to kill, then all segments in interval are marked unused, and if we hit 
limit on kill, auto kill will clean up eventually, if enabled. Let me know what 
you think.



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