CalvinConfluent commented on code in PR #14312:
URL: https://github.com/apache/kafka/pull/14312#discussion_r1349612437


##########
metadata/src/main/java/org/apache/kafka/controller/PartitionChangeBuilder.java:
##########
@@ -328,13 +349,38 @@ public Optional<ApiMessageAndVersion> build() {
 
         completeReassignmentIfNeeded();
 
+        boolean isElrEnabled = metadataVersion.isElrSupported();
+        if (isElrEnabled) {
+            populateTargetElr();
+        }
+
         tryElection(record);
 
         triggerLeaderEpochBumpIfNeeded(record);
 
-        if (record.isr() == null && !targetIsr.isEmpty() && 
!targetIsr.equals(Replicas.toList(partition.isr))) {
-            // Set the new ISR if it is different from the current ISR and 
unclean leader election didn't already set it.
-            record.setIsr(targetIsr);
+        boolean isCleanLeaderElection = record.isr() == null;

Review Comment:
   Done.



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