codelipenghui commented on code in PR #17056:
URL: https://github.com/apache/pulsar/pull/17056#discussion_r943080290
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java:
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@@ -2326,14 +2328,27 @@ public void checkInactiveSubscriptions() {
@Override
public void checkBackloggedCursors() {
// activate caught up cursors which include consumers
+ AtomicReference<PositionImpl> slowestNonDurableReadPosition = new
AtomicReference<>();
subscriptions.forEach((subName, subscription) -> {
+ ManagedCursor cursor = subscription.getCursor();
+ if (cursor instanceof NonDurableCursorImpl) {
+ PositionImpl readPosition = (PositionImpl)
cursor.getReadPosition();
+ if (slowestNonDurableReadPosition.get() == null ||
readPosition.compareTo(
+ slowestNonDurableReadPosition.get()) < 0) {
+ slowestNonDurableReadPosition.set(readPosition);
+ }
+ }
if (!subscription.getConsumers().isEmpty()
&& subscription.getCursor().getNumberOfEntries() <
backloggedCursorThresholdEntries) {
subscription.getCursor().setActive();
} else {
subscription.getCursor().setInactive();
}
});
+ if (slowestNonDurableReadPosition.get() != null) {
+ ManagedLedger managedLedger = getManagedLedger();
Review Comment:
+1
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