[GitHub] [pulsar] Jason918 commented on a diff in pull request #18154: [fix][client] In method LastCumulativeAck#update, bitSetRecyclable does not update when messageId is equal.

[GitBox <gi...@apache.org>]

Jason918 commented on code in PR #18154:
URL: https://github.com/apache/pulsar/pull/18154#discussion_r1002338700


##########
pulsar-client/src/main/java/org/apache/pulsar/client/impl/PersistentAcknowledgmentsGroupingTracker.java:
##########
@@ -658,6 +658,16 @@ protected LastCumulativeAck initialValue() {
     private boolean flushRequired = false;
 
     public synchronized void update(final MessageIdImpl messageId, final BitSetRecyclable bitSetRecyclable) {
+        if (messageId.equals(this.messageId)) {
+            if (this.bitSetRecyclable != null && bitSetRecyclable != null
+                    && bitSetRecyclable.nextSetBit(0) > this.bitSetRecyclable.nextSetBit(0)) {
+                this.bitSetRecyclable.recycle();
+                set(messageId, bitSetRecyclable);
+                flushRequired = true;
+            }
+            return;
+        }
+
         if (messageId.compareTo(this.messageId) > 0) {

Review Comment:
   +1



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