lhotari commented on a change in pull request #10773:
URL: https://github.com/apache/pulsar/pull/10773#discussion_r643379023



##########
File path: 
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java
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@@ -1504,6 +1504,8 @@ public synchronized void updateLedgersIdsComplete(Stat 
stat) {
                 if (existsOp.ledger != null) {
                     existsOp.close();
                     existsOp = OpAddEntry.create(existsOp.ml, existsOp.data, 
existsOp.getNumberOfMessages(), existsOp.callback, existsOp.ctx);
+                    // release the extra retain
+                    ReferenceCountUtil.release(existsOp.data);

Review comment:
       > Just one question, doesn't existsOp.close release the reference?
   
   No it doesn't.
   
   > why do we need to release extra retain here?
   
   OpAddEntry.create will call .retain , that's the extra retain. I already 
tried to clarify in the comment in the code. Does it need more clarification?




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