codelipenghui commented on code in PR #18042:
URL: https://github.com/apache/pulsar/pull/18042#discussion_r996549520
##########
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedCursorImpl.java:
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@@ -1868,7 +1876,12 @@ public void asyncMarkDelete(final Position position,
Map<String, Long> propertie
if (config.isDeletionAtBatchIndexLevelEnabled() && batchDeletedIndexes
!= null) {
if (newPosition.ackSet != null) {
- batchDeletedIndexes.put(newPosition,
BitSetRecyclable.create().resetWords(newPosition.ackSet));
+ lock.writeLock().lock();
+ try {
+ setBatchDeletedIndexes(newPosition);
Review Comment:
Looks like we just change to
```java
BitSetRecyclable givenBitSet =
BitSetRecyclable.create().resetWords(newPosition.ackSet);
batchDeletedIndexes.compute(newPosition,
(k, v) -> v == null || givenBitSet.nextClearBit(0) >
v.nextClearBit(0) ?
givenBitSet : v);
```
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