eolivelli commented on code in PR #16603:
URL: https://github.com/apache/pulsar/pull/16603#discussion_r921980499
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentDispatcherMultipleConsumers.java:
##########
@@ -520,10 +521,19 @@ public synchronized void readEntriesComplete(List<Entry>
entries, Object ctx) {
log.debug("[{}] Distributing {} messages to {} consumers", name,
entries.size(), consumerList.size());
}
- sendMessagesToConsumers(readType, entries);
+ if (serviceConfig.isDispatcherDispatchMessagesInSubscriptionThread()) {
+ // dispatch messages to a separate thread, but still in order for
this subscription
+ // sendMessagesToConsumers is responsible for running broker-side
filters
+ // that may be quite expensive
+ topic.getBrokerService().getTopicOrderedExecutor()
+ .executeOrdered(name,
+ safeRun(() -> sendMessagesToConsumers(readType,
entries)));
Review Comment:
@codelipenghui I have pinned the Subscription to a thread.
I think that this is what you suggested
thanks
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