poorbarcode commented on code in PR #21423:
URL: https://github.com/apache/pulsar/pull/21423#discussion_r1432354290
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentDispatcherSingleActiveConsumer.java:
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@@ -366,6 +377,30 @@ protected void readMoreEntries(Consumer consumer) {
}
}
+ private boolean shouldPauseOnAckStatePersist() {
+ if (!((PersistentTopic)
subscription.getTopic()).isDispatcherPauseOnAckStatePersistentEnabled()) {
+ return false;
+ }
+ if (cursor == null) {
+ return true;
+ }
+ if (!cursor.isMetadataTooLargeToPersist()) {
+ return false;
+ }
+ // The cursor state is too large to persist, let us check whether the
read is a replay read.
+ Range<PositionImpl> lastIndividualDeletedRange =
cursor.getLastIndividualDeletedRange();
+ if (lastIndividualDeletedRange == null) {
+ // lastIndividualDeletedRange is null means the read is not replay
read.
+ return true;
+ }
+ // If read position is less than the last acked position, it means the
read is a replay read.
+ PositionImpl lastAckedPosition =
lastIndividualDeletedRange.upperEndpoint();
+ Position readPosition = cursor.getReadPosition();
+ boolean readPositionIsSmall =
+ lastAckedPosition.compareTo(readPosition.getLedgerId(),
readPosition.getEntryId()) > 0;
+ return !readPositionIsSmall;
+ }
+
Review Comment:
Sure, reverted the change of `PersistentDispatcherSingleActiveConsumer`
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