jasonk000 commented on a change in pull request #12097:
URL: https://github.com/apache/druid/pull/12097#discussion_r818202653



##########
File path: 
indexing-service/src/main/java/org/apache/druid/indexing/overlord/TaskRunner.java
##########
@@ -88,11 +89,19 @@
    */
   void shutdown(String taskid, String reason);
 
-  default void shutdown(String taskid, String reasonFormat, Object... args)
+  default void shutdown(String taskid, String reasonFormat, Object... 
reasonArgs)
   {
-    shutdown(taskid, StringUtils.format(reasonFormat, args));
+    // only calculate the 'reason' string for debug level logging
+    // in large clusters the 'reasonArgs' may be very large / expensive if it 
includes a list of tasks
+    String reason = (getLogger().isDebugEnabled()) ? 
StringUtils.format(reasonFormat, reasonArgs) : "debug log disabled";

Review comment:
       thanks @samarthjain , this solution is much simpler - fixes applied
   
   let me know if all good and i can squash it




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