poorbarcode commented on code in PR #21915:
URL: https://github.com/apache/pulsar/pull/21915#discussion_r1461336911


##########
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedCursorImpl.java:
##########
@@ -2793,30 +2794,23 @@ public void skipNonRecoverableLedger(final long 
ledgerId){
         if (ledgerInfo == null) {
             return;
         }
-        lock.writeLock().lock();
         log.warn("[{}] [{}] Since the ledger [{}] is lost and the 
autoSkipNonRecoverableData is true, this ledger will"
                 + " be auto acknowledge in subscription", ledger.getName(), 
name, ledgerId);
-        try {
-            for (int i = 0; i < ledgerInfo.getEntries(); i++) {
-                if (!individualDeletedMessages.contains(ledgerId, i)) {
-                    asyncDelete(PositionImpl.get(ledgerId, i), new 
AsyncCallbacks.DeleteCallback() {
-                        @Override
-                        public void deleteComplete(Object ctx) {
-                            // ignore.
-                        }
+        asyncDelete(() -> LongStream.range(0, ledgerInfo.getEntries())

Review Comment:
   @hrzzzz Improve the code like below is better
   
   ```java
   lock.readLock().lock();
   List posToDelete = new();
   for (int i = 0; i < ledgerInfo.getEntries(); i++) {
       if (!individualDeletedMessages.contains(ledgerId, i)) {
           posToDelete.add();
       }
   }
   lock.readLock().unlock();
   
   asyncDelete(posToDelete);
   ```



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