dao-jun commented on code in PR #22610:
URL: https://github.com/apache/pulsar/pull/22610#discussion_r1582756633
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java:
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@@ -3647,7 +3647,14 @@ public CompletableFuture<Position>
getLastDispatchablePosition() {
return
ManagedLedgerImplUtils.asyncGetLastValidPosition((ManagedLedgerImpl) ledger,
entry -> {
MessageMetadata md =
Commands.parseMessageMetadata(entry.getDataBuffer());
// If a messages has marker will filter by
AbstractBaseDispatcher.filterEntriesForConsumer
- return !Markers.isServerOnlyMarker(md);
+ if (Markers.isServerOnlyMarker(md)) {
+ return false;
+ } else if (md.hasTxnidMostBits() && md.hasTxnidLeastBits()) {
+ // Filter-out transaction aborted messages.
+ TxnID txnID = new TxnID(md.getTxnidMostBits(),
md.getTxnidLeastBits());
+ return !isTxnAborted(txnID, (PositionImpl)
entry.getPosition());
Review Comment:
@thetumbled @liangyepianzhou It's a further improvement, I'm going to read
more entries from ledger(not one by one) to optimize it.
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