HQebupt commented on code in PR #17251:
URL: https://github.com/apache/pulsar/pull/17251#discussion_r953549932
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pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java:
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@@ -4355,38 +4356,50 @@ private PersistentReplicator
getReplicatorReference(String replName, PersistentT
}
}
+ private CompletableFuture<Void> updatePartitionedTopicMetadataAsync(int
numPartitions) {
+ CompletableFuture<Void> future =
namespaceResources().getPartitionedTopicResources()
+ .updatePartitionedTopicAsync(topicName, p -> new
PartitionedTopicMetadata(numPartitions));
+ future.exceptionally(ex -> {
+ // If the update operation fails, clean up the partitions that
were created
+ getPartitionedTopicMetadataAsync(topicName, false,
false).thenAccept(metadata -> {
+ int oldPartition = metadata.partitions;
+ for (int i = oldPartition; i < numPartitions; i++) {
+
topicResources().deletePersistentTopicAsync(topicName.getPartition(i)).exceptionally(ex1
-> {
+ log.warn("[{}] Failed to clean up managedLedger {}",
clientAppId(), topicName,
+ ex1.getCause());
+ return null;
+ });
+ }
Review Comment:
No, it does not. The method only shrink the new partitions when
`updatePartitionedTopicAsync` occur exception.
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