codelipenghui commented on code in PR #17251:
URL: https://github.com/apache/pulsar/pull/17251#discussion_r953407209
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java:
##########
@@ -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:
It looks like we provide a way that can shrink partitions. If the method
used by other places might introduce unexpected behavior.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
