mattisonchao commented on code in PR #15363:
URL: https://github.com/apache/pulsar/pull/15363#discussion_r860556076
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java:
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@@ -3060,7 +3060,21 @@ public void onUpdate(TopicPolicies policies) {
checkReplicationAndRetryOnFailure();
}
- checkDeduplicationStatus();
+ /**
+ * When execute command "pulsar-admin topicPolicies
get-deduplication persistent://{tenant}/{ns}/{topic}"
+ * but "store.asyncRemoveCursor('pulsar.dedup')" failure, the
'pulsar-dedup' cursor will be disabled,
+ * zk-node:
"/managed-ledgers/{tenant}/{ns}/persistent/{topic}/pulsar.dedup" still exists.
+ * Then this topic's ledger-store will not be deleted anymore,
even if all message has been acknowledged.
+ * So when `checkDeduplicationStatus()` failure, stop this topic.
+ */
+ try {
+ checkDeduplicationStatus().get();
Review Comment:
At first glance, we cannot call sync method inside async method.
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