Demogorgon314 commented on a change in pull request #11355:
URL: https://github.com/apache/pulsar/pull/11355#discussion_r672355732
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java
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@@ -1030,34 +1032,52 @@ protected void internalGetSubscriptions(AsyncResponse
asyncResponse, boolean aut
false).thenAccept(partitionMetadata -> {
if (partitionMetadata.partitions > 0) {
try {
- // get the subscriptions only from the 1st partition
- // since all the other partitions will have the same
- // subscriptions
-
pulsar().getAdminClient().topics().getSubscriptionsAsync(topicName.getPartition(0).toString())
- .whenComplete((r, ex) -> {
- if (ex != null) {
- log.warn("[{}] Failed to get list of
subscriptions for {}: {}", clientAppId(),
- topicName, ex.getMessage());
-
- if (ex instanceof
PulsarAdminException) {
- PulsarAdminException pae =
(PulsarAdminException) ex;
- if (pae.getStatusCode() ==
Status.NOT_FOUND.getStatusCode()) {
- asyncResponse.resume(new
RestException(Status.NOT_FOUND,
- "Internal topics have
not been generated yet"));
- return;
- } else {
- asyncResponse.resume(new
RestException(pae));
- return;
- }
- } else {
- asyncResponse.resume(new
RestException(ex));
- return;
- }
+ final Set<String> subscriptions =
Sets.newConcurrentHashSet();
+ final List<CompletableFuture<Object>>
subscriptionFutures = Lists.newArrayList();
+ if (topicName.getDomain() == TopicDomain.persistent) {
+ String path =
String.format("/managed-ledgers/%s/%s", namespaceName.toString(), domain());
+ List<String> children =
getLocalPolicies().getChildren(path);
Review comment:
I have a small suggestion, it is use getTopicReference to get
subscribers directly Instead of use adminClient, this can reduce RPC calls.
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