kfaraz commented on code in PR #19541:
URL: https://github.com/apache/druid/pull/19541#discussion_r3401711602


##########
indexing-service/src/main/java/org/apache/druid/indexing/overlord/supervisor/SupervisorManager.java:
##########
@@ -209,24 +328,18 @@ public boolean shouldUpdateSupervisor(SupervisorSpec spec)
     Preconditions.checkNotNull(spec.getDataSources(), "spec.getDatasources()");
     synchronized (lock) {
       Preconditions.checkState(started, "SupervisorManager not started");
-      try {
-        byte[] specAsBytes = jsonMapper.writeValueAsBytes(spec);
-        Pair<Supervisor, SupervisorSpec> currentSupervisor = 
supervisors.get(spec.getId());
-        if (currentSupervisor == null || currentSupervisor.rhs == null) {
-          return true;
-        } else if (Arrays.equals(specAsBytes, 
jsonMapper.writeValueAsBytes(currentSupervisor.rhs))) {
-          return false;
-        } else {
-          // The spec bytes are different, so we need to check if the update 
is allowed
-          currentSupervisor.rhs.validateSpecUpdateTo(spec);
-          return true;
-        }
+      final Pair<Supervisor, SupervisorSpec> currentSupervisor = 
supervisors.get(spec.getId());
+      if (currentSupervisor == null || currentSupervisor.rhs == null) {
+        return true;

Review Comment:
   Nit: We can probably skip this check since the invoked method 
`isSpecChangedAndValidate` does it anyway.



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