Technoboy- commented on a change in pull request #13383:
URL: https://github.com/apache/pulsar/pull/13383#discussion_r778584096
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File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/Consumer.java
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@@ -776,6 +863,12 @@ public void
redeliverUnacknowledgedMessages(List<MessageIdData> messageIds) {
LongPair longPair = pendingAcks.get(position.getLedgerId(),
position.getEntryId());
if (longPair != null) {
long batchSize = longPair.first;
+ if (isDeletionAtBatchIndexLevelEnabled()) {
+ long[] cursorAckSet = getCursorAckSet(position);
+ if (cursorAckSet != null) {
+ batchSize -=
BitSet.valueOf(cursorAckSet).cardinality();
Review comment:
batchSize -= BitSet.valueOf(cursorAckSet).cardinality() is equals with
`batchSize = batchSize - BitSet.valueOf(cursorAckSet).cardinality()`.
And `batchSize - BitSet.valueOf(cursorAckSet).cardinality()` means how many
un-ack msg count.
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