sijie commented on a change in pull request #9561:
URL: https://github.com/apache/pulsar/pull/9561#discussion_r574325461



##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
##########
@@ -3036,18 +3036,32 @@ private void 
internalExpireMessagesByTimestampForSinglePartition(String subName,
 
         PersistentTopic topic = (PersistentTopic) getTopicReference(topicName);
         try {
+            boolean issued;
             if (subName.startsWith(topic.getReplicatorPrefix())) {
                 String remoteCluster = 
PersistentReplicator.getRemoteCluster(subName);
                 PersistentReplicator repl = (PersistentReplicator) 
topic.getPersistentReplicator(remoteCluster);
                 checkNotNull(repl);
-                repl.expireMessages(expireTimeInSeconds);
+                issued = repl.expireMessages(expireTimeInSeconds);
             } else {
                 PersistentSubscription sub = topic.getSubscription(subName);
                 checkNotNull(sub);
-                sub.expireMessages(expireTimeInSeconds);
+                issued = sub.expireMessages(expireTimeInSeconds);
+            }
+            if (issued) {
+                log.info("[{}] Message expire started up to {} on {} {}", 
clientAppId(), expireTimeInSeconds, topicName,
+                        subName);
+            } else {
+                if (log.isDebugEnabled()) {
+                    log.info("Expire message by timestamp not issued on topic 
{} for subscription {} due to ongoing "

Review comment:
       why using `log.info` in a `log.isDebugEnabled` block?

##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
##########
@@ -3105,19 +3119,31 @@ protected void 
internalExpireMessagesByPosition(AsyncResponse asyncResponse, Str
                 getEntryBatchSize(batchSizeFuture, topic, messageId, 
batchIndex);
                 batchSizeFuture.thenAccept(bi -> {
                     PositionImpl position = 
calculatePositionAckSet(isExcluded, bi, batchIndex, messageId);
+                    boolean issued;
                     try {
                         if (subName.startsWith(topic.getReplicatorPrefix())) {
                             String remoteCluster = 
PersistentReplicator.getRemoteCluster(subName);
                             PersistentReplicator repl = (PersistentReplicator)
                                     
topic.getPersistentReplicator(remoteCluster);
                             checkNotNull(repl);
-                            repl.expireMessages(position);
+                            issued = repl.expireMessages(position);
                         } else {
                             checkNotNull(sub);
-                            sub.expireMessages(position);
+                            issued = sub.expireMessages(position);
+                        }
+                        if (issued) {
+                            log.info("[{}] Message expire started up to {} on 
{} {}", clientAppId(), position,
+                                    topicName, subName);
+                        } else {
+                            if (log.isDebugEnabled()) {
+                                log.info("Expire message by position not 
issued on topic {} for subscription {} "

Review comment:
       ditto




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